CMH · Columbus, United States
John Glenn Columbus International Airport.
--:--:-- · EDT (UTC-04:00) · 39.9980° N, 82.8919° W
John Glenn Columbus International Airport
Airport serving Columbus, Ohio, United States
Verification trail
Source-backed facts for CMH
This section separates stable airport identifiers from live operating data. Codes, coordinates, timezone, elevation, source identifiers, and accepted reference links are retained here; live arrivals, departures, gates, delays, NOTAMs, and airline schedule changes must still be checked with the airport or carrier.
Airport catalog
OurAirports ID 3458; ident KCMH; scheduled service listed.
Cached airports.csv snapshot: 2026-04-25; runways.csv snapshot: 2026-05-21.
Official airport source
flycolumbus.com
Used as the preferred live-reference handoff for terminals, gates, alerts, and airport notices.
Open sourceReference summary
John Glenn Columbus International Airport
Airport-shaped reference summary from en.wikipedia.org; summary snapshot 2026-05-20.
Open sourceManual / derived signals
19 source-backed signals
Merged from OurAirports cached airports.csv, OurAirports cached runways.csv, Wikidata airport entity snapshot, airport-shaped Wikipedia summary snapshot; facts generated 2026-05-21.
IATA / ICAO
CMH / KCMH
OurAirports ident
KCMH
GPS / local code
KCMH / CMH
ISO region
US-OH
Scheduled service
Listed in source snapshot
Role
international scheduled-service gateway
Official host
flycolumbus.com
Reference host
en.wikipedia.org
Wikidata entity
Q1432440
Snapshot generated
2026-05-21
Airport lookup keys
Stable codes
Regional keys
Nearby airport codes
Route reference codes
Accepted citation URLs
Last updated May 21, 2026. Stable airport identifiers and timezone facts are content-reviewed; clocks render live in the browser, while weather and time-difference notes are page-snapshot aids rather than permanent airport records.
Live values rendered at Nov 5, 7:10 PM UTC.
What you need to know now
Local airport time
--:--:--EDT · UTC-04:00
Time zone
EDT
America/New_York · UTC-04:00
Airfield conditions
Live airport weather is temporarily unavailable.
Surface access
10.0 km
Approximate distance to central Columbus.
Airport Snapshot
Country capital
Washington, D.C.
Languages
English
Currency
USD ($)
Country area
9,525,067 km²
Passenger volume
Source note unavailable
Terminals
Not clearly stated
Runways
2 runways
Longest runway
10,114 ft / 3,083 m
Runway surface
asphalt (2)
Opened / operator
1929 · The Columbus Regional Authority
Owner / entity
Q1432440
Hub airlines
Mixed or not clearly stated
Airport role
international scheduled-service gateway
Scheduled service
Listed
Fact coverage
19 source-backed signals
John Glenn Columbus International Airport is a international scheduled-service gateway for Columbus, United States. Columbus's built-up core sits roughly 10.0 km from the terminal area. Operations run on America/New_York (UTC-04:00, EDT). Live weather is temporarily unavailable. With 5 other indexable airports in its surrounding network, it works well as a reference point for regional flight planning and timezone checks.
John Glenn Columbus International Airport (CMH / KCMH) is at 39.9980° N, 82.8919° W, elevation 815 ft (248 m), serving Columbus, United States.
The accepted reference summary is used as supporting context for the airport identity and operating notes; the timed facts here still come from the airport catalog, timezone database, country snapshot, and linked source trail.
Columbus is in United States (capital Washington, D.C.); regulated by Federal Aviation Administration (FAA); on America/New_York (EDT, UTC-04:00); working languages: English; currency: USD ($).
Distance from central Columbus: 10 km.
Airport context brief
A compact traveler-facing brief from the airport catalog, country snapshot, route geometry, city anchors, peer airports, and source trail for CMH.
Name and identity cues
Primary airport name
John Glenn Columbus International Airport (CMH / KCMH)
John Glenn Columbus International Airport · Airport serving Columbus, Ohio, United States
Source identifiers
KCMH · KCMH · CMH · US-OH
flycolumbus.com · en.wikipedia.org · scheduled service yes
Source-specific airport notes
Location cue
John Glenn Columbus International Airport is an international airport located 6 miles (9.7 km) east of downtown Columbus, Ohio.
Used to make the airport page location-specific beyond the code, coordinate, and timezone record.
Closest mapped city anchors
1. Gahanna
gahanna · 2.6 km from CMH
United States · America/New_York · +0h · population 34,590 · city coordinates 40.0192, -82.8793
2. Whitehall
whitehall · 3.5 km from CMH
United States · America/New_York · +0h · population 18,694 · city coordinates 39.9667, -82.8855
3. Reynoldsburg
reynoldsburg · 8.3 km from CMH
United States · America/New_York · +0h · population 37,158 · city coordinates 39.9548, -82.8121
4. Columbus
columbus-4509177 · 10.0 km from CMH
United States · America/New_York · +0h · population 913,175 · city coordinates 39.9612, -82.9988
5. Upper Arlington
upper-arlington · 15 km from CMH
United States · America/New_York · +0h · population 34,907 · city coordinates 39.9945, -83.0624
6. Westerville
westerville · 15 km from CMH
United States · America/New_York · +0h · population 38,384 · city coordinates 40.1262, -82.9291
Airport alternatives in the retained graph
1. CLE KCLE
Cleveland Hopkins International Airport · Cleveland
180 km from CMH · America/New_York · +0h · elevation 791 ft (241 m) · airport coordinates 41.4117, -81.8498
2. CVG KCVG
Cincinnati Northern Kentucky International Airport · Cincinnati / Covington
185 km from CMH · America/New_York · +0h · elevation 896 ft (273 m) · airport coordinates 39.0488, -84.6678
3. PIT KPIT
Pittsburgh International Airport · Pittsburgh
232 km from CMH · America/New_York · +0h · elevation 1,203 ft (367 m) · airport coordinates 40.4915, -80.2329
4. DTW KDTW
Detroit Metropolitan Wayne County Airport · Detroit
249 km from CMH · America/Detroit · +0h · elevation 645 ft (197 m) · airport coordinates 42.2138, -83.3538
5. IND KIND
Indianapolis International Airport · Indianapolis
292 km from CMH · America/Indiana/Indianapolis · +0h · elevation 797 ft (243 m) · airport coordinates 39.7173, -86.2944
Route-time reference set
1. CMH-CLE
Cleveland · 180 km · 1h 4m
America/New_York · +0h from CMH; reference route only, not a live schedule.
2. CMH-CVG
Cincinnati / Covington · 185 km · 1h 4m
America/New_York · +0h from CMH; reference route only, not a live schedule.
3. CMH-PIT
Pittsburgh · 232 km · 1h 8m
America/New_York · +0h from CMH; reference route only, not a live schedule.
4. CMH-DTW
Detroit · 249 km · 1h 9m
America/Detroit · +0h from CMH; reference route only, not a live schedule.
5. CMH-IND
Indianapolis · 292 km · 1h 12m
America/Indiana/Indianapolis · +0h from CMH; reference route only, not a live schedule.
Runway source evidence
Published runway count
2 runways
Longest runway 10,114 ft / 3,083 m. 2 lighted runways in the runway snapshot.
Runway surface mix
asphalt (2)
Surface labels are normalized from the OurAirports runway rows for CMH.
Runway identifiers
10L/28R · 10R/28L
Identifier pairs are retained as airport-specific runway cues, not live operational availability claims.
Same-country airport context
1. CLE KCLE
Cleveland Hopkins International Airport · Cleveland · 180 km from CMH
large airport · America/New_York · united-states · 791 ft (241 m) · 41.4117, -81.8498
2. CVG KCVG
Cincinnati Northern Kentucky International Airport · Cincinnati / Covington · 185 km from CMH
large airport · America/New_York · united-states · 896 ft (273 m) · 39.0488, -84.6678
3. PIT KPIT
Pittsburgh International Airport · Pittsburgh · 232 km from CMH
large airport · America/New_York · united-states · 1,203 ft (367 m) · 40.4915, -80.2329
4. DTW KDTW
Detroit Metropolitan Wayne County Airport · Detroit · 249 km from CMH
large airport · America/Detroit · united-states · 645 ft (197 m) · 42.2138, -83.3538
5. IND KIND
Indianapolis International Airport · Indianapolis · 292 km from CMH
large airport · America/Indiana/Indianapolis · united-states · 797 ft (243 m) · 39.7173, -86.2944
6. SDF KSDF
Louisville Muhammad Ali International Airport · Louisville · 319 km from CMH
large airport · America/Kentucky/Louisville · united-states · 501 ft (153 m) · 38.1706, -85.7351
Accepted operational notes
Source note 1
It is managed by the Columbus Regional Airport Authority, which also oversees operations at Rickenbacker International Airport and Bolton Field.
Retained as a source-backed local role note for CMH.
Country and authority
CMH sits in United States (United States of America), whose capital is Washington, D.C.. Federal Aviation Administration (FAA) is the national civil-aviation authority we name for regulator context. Country context: Americas, North America.
Traveler context
Common country-language signals: English. Currency context: USD ($). CMH is listed with scheduled service in the airport source snapshot.
Reference description
Airport serving Columbus, Ohio, United States. This description is used only as identity context; live flight status, terminal assignment, and airport alerts still belong to the official airport or airline source.
Source-specific cues
Location cue: John Glenn Columbus International Airport is an international airport located 6 miles (9.7 km) east of downtown Columbus, Ohio.
Entity fingerprint
Wikidata airport entity: Q1432440 · John Glenn Columbus International Airport. Administrative area: Columbus. Named after: Columbus · John Glenn
Field and clock profile
John Glenn Columbus International Airport is a low-elevation field at 815 ft (248 m), positioned at 39.9980° N, 82.8919° W in the Northern mid-latitudes. The runway snapshot lists 2 runways and a longest runway of 10,114 ft / 3,083 m. The airport clock uses America/New_York (EDT, UTC-04:00), so cross-date arrivals should be checked against this zone rather than the airline origin city.
City and airport alternatives
Gahanna is the closest retained city-time anchor at 2.6 km. CLE Cleveland is the closest retained airport alternative at 180 km.
Country airport peers
CMH is compared with CLE Cleveland at 180 km, CVG Cincinnati / Covington at 185 km, PIT Pittsburgh at 232 km, DTW Detroit at 249 km, IND Indianapolis at 292 km inside the retained United States airport set, which is useful when backup airports share the same country context but differ by city, route network, and clock behavior.
Route geometry
CMH-CLE Cleveland: 180 km, about 1h 4m, +0h. CMH-CVG Cincinnati / Covington: 185 km, about 1h 4m, +0h. CMH-PIT Pittsburgh: 232 km, about 1h 8m, +0h. CMH-DTW Detroit: 249 km, about 1h 9m, +0h. These are distance and timezone references, not live flight availability claims.
Source trail
OurAirports ident KCMH backs the stable code, coordinate, elevation, and timezone record. flycolumbus.com is attached as the official airport website. en.wikipedia.org is used only as supporting reference context. Snapshot date: 2026-05-21.
Operational Profile
Traffic profile
Reference airport
Airline role
Mixed commercial service
Terminal footprint
See operational notes
Runway footprint
2 runways · longest 10,114 ft / 3,083 m
Runway identifiers
10L/28R, 10R/28L
OurAirports classifies CMH as a large airport with scheduled service; the airport name and codes identify it as an international gateway for Columbus.
CMH (KCMH) is a low-elevation field at 815 ft (248 m) in the mid-latitudes, kept in the curated set for its route, timezone, and market-planning value.
CMH sits in a broader regional network with 5 nearby curated alternatives, so airline choice and connection strategy are part of the planning story here.
CMH's runway record lists 2 runways, with the longest runway at 10,114 ft / 3,083 m and source surfaces recorded as asphalt (2).
The Columbus Regional Authority is the clearest operator or management signal we currently have on file for CMH.
- It is managed by the Columbus Regional Airport Authority, which also oversees operations at Rickenbacker International Airport and Bolton Field.
These operational notes prefer the structured airport facts snapshot, then fall back to the accepted airport reference at flycolumbus.com, then blend that with local timezone, route, and city-access data already on this page.
Decision matrix for CMH
These are the specific situations where this airport page earns its keep: time-zone conversion, city transfer planning, nearby airport backup logic, and source-confidence checks before acting.
When the clock matters
CMH uses America/New_York (EDT, UTC-04:00). Use this before overnight arrivals, cross-date departures, and same-day connections.
When surface access matters
John Glenn Columbus International Airport is about 10.0 km from central Columbus; build that transfer into arrival and check-in planning.
When alternates matter
CLE Cleveland is the closest retained alternate at 180 km, time difference +0h.
When source checks matter
flycolumbus.com is listed as the official airport website in the airport facts snapshot; live schedules, gates, routes, terminals, and NOTAM-sensitive operations still need official airport or airline verification.
How this airport compares nearby
These comparisons place CMH inside the retained airport graph by country, timezone, elevation, and coordinate neighbors. They are deterministic dataset facts, not generated flight claims.
Country-rank position
CMH ranks #17 in the curated United States airport set when large airports are listed before medium airports, then sorted by IATA code. The retained country set has 94 airports.
Same-zone airport cohort
CMH shares America/New_York with ALB Albany US · ATL Atlanta US · BDL Hartford US · BOS Boston US · BUF Buffalo US · BWI Baltimore US. This helps separate same-clock airports by city, country, code, and geography.
Elevation-neighbor cohort
CMH is 815 ft (248 m). Closest elevation peers in the retained airport set include LYS 821 ft (250 m) (6 ft delta) · SAT 809 ft (247 m) (6 ft delta) · OKJ 806 ft (246 m) (9 ft delta) · IND 797 ft (243 m) (18 ft delta) · GRR 794 ft (242 m) (21 ft delta).
Coordinate-neighbor check
CMH's nearest retained coordinate neighbors are CLE 180 km +0h · CVG 185 km +0h · PIT 232 km +0h · DTW 249 km +0h.
Flight Path Arc
Great-circle route between airports with animated plane. Pick a route.
Arriving From / Departing To
| Destination | Route code | Distance | Estimated window | Time difference | Destination clock |
|---|---|---|---|---|---|
| Cleveland | CLE | 180 km | 1h 4m | +0h | --:--:-- |
| Cincinnati / Covington | CVG | 185 km | 1h 4m | +0h | --:--:-- |
| Pittsburgh | PIT | 232 km | 1h 8m | +0h | --:--:-- |
| Detroit | DTW | 249 km | 1h 9m | +0h | --:--:-- |
| Indianapolis | IND | 292 km | 1h 12m | +0h | --:--:-- |
CMH to CLE
Cleveland
Distance 180 km; estimated travel window 1h 4m; destination zone America/New_York is +0h from CMH. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
CMH to CVG
Cincinnati / Covington
Distance 185 km; estimated travel window 1h 4m; destination zone America/New_York is +0h from CMH. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
CMH to PIT
Pittsburgh
Distance 232 km; estimated travel window 1h 8m; destination zone America/New_York is +0h from CMH. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
Airport Details
Timezone
Ground Transport and Nearby Context
Central Columbus is close enough that taxi, ride-hail, and rail or shuttle links are usually the fastest arrival options.
Columbus is the nearest mapped city anchor in the current dataset, which makes it the cleanest companion page when travelers want to switch from airport timing into local city timing.
John Glenn Columbus International Airport has 5 nearby indexed airport alternatives, which makes backup departures and diversion logic part of real planning instead of a theoretical edge case.
Nearby city time anchors
Airport pages are most useful when they bridge into real city clocks. These city anchors are ranked by distance from CMH, then shown with their own timezone, local time, and time difference from the airport clock.
Gahanna
gahanna · 2.6 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Whitehall
whitehall · 3.5 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Reynoldsburg
reynoldsburg · 8.3 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Columbus
columbus-4509177 · 10.0 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Upper Arlington
upper-arlington · 15 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Westerville
westerville · 15 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Pickerington
pickerington · 17 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Pataskala
pataskala · 19 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Grove City
grove-city · 21 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Dublin
dublin-5152333 · 22 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Hilliard
hilliard · 23 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Delaware
delaware · 37 km · America/New_York
- Local time
- --:--:--
- Diff
- +0h
Airlines and Network Role
John Glenn Columbus International Airport does not have a long carrier list in the current source trail, so this page emphasizes the durable pieces travelers can safely use here: local time, field identifiers, nearby airports, and timezone differences.
The route timing references show the first cross-timezone planning burden after this airport: Cleveland (CLE), Cincinnati / Covington (CVG), Pittsburgh (PIT). Treat them as distance and clock cues, then verify flight availability with the carrier.
Planning checkpoints
- Traffic signal: not clearly stated in the source trail.
- Terminal footprint: not clearly stated in the source trail.
- Runway footprint: 2 runways; longest runway 10,114 ft / 3,083 m; identifiers 10L/28R, 10R/28L.
- Runway surfaces: asphalt (2); 2 lighted runways in the source snapshot.
- Operator / management: The Columbus Regional Authority.
- Opened / inaugurated: 1929.
- Network role: mixed or not clearly stated in the source trail.
Nearby Airports
Nearby airports are ranked by coordinate distance from CMH. The time difference column is computed from IANA zones against the page snapshot, while the local clocks update in the browser.
Cleveland Hopkins International AirportCLE
Cleveland · large airport
- Distance
- 180 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 791 ft (241 m)
Compare against CLE when route choice, backup departures, or arrival-side local time matters.
Cincinnati Northern Kentucky International AirportCVG
Cincinnati / Covington · large airport
- Distance
- 185 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 896 ft (273 m)
Compare against CVG when route choice, backup departures, or arrival-side local time matters.
Pittsburgh International AirportPIT
Pittsburgh · large airport
- Distance
- 232 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 1,203 ft (367 m)
Compare against PIT when route choice, backup departures, or arrival-side local time matters.
Detroit Metropolitan Wayne County AirportDTW
Detroit · large airport
- Distance
- 249 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 645 ft (197 m)
Compare against DTW when route choice, backup departures, or arrival-side local time matters.
Indianapolis International AirportIND
Indianapolis · large airport
- Distance
- 292 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 797 ft (243 m)
Compare against IND when route choice, backup departures, or arrival-side local time matters.
Questions
FAQ
What timezone is John Glenn Columbus International Airport (CMH) in?▾
John Glenn Columbus International Airport is in the America/New_York timezone (UTC-04:00, EDT).
What are the codes for John Glenn Columbus International Airport?▾
John Glenn Columbus International Airport uses IATA code CMH and ICAO code KCMH.
Where is John Glenn Columbus International Airport located?▾
John Glenn Columbus International Airport is located in Columbus, United States at coordinates 39.9980° N, 82.8919° W, with an elevation of 815 ft (248 m) (low-elevation field in the mid-latitudes).
How far is John Glenn Columbus International Airport from central Columbus?▾
John Glenn Columbus International Airport sits roughly 10.0 km from the nearest mapped city center for Columbus.
Which route reference is most useful from CMH?▾
Cleveland (CLE) is one of the closest route references on this page, with an estimated travel window of 1h 4m, destination timezone America/New_York, and a +0h difference from CMH.
Which authority regulates CMH?▾
John Glenn Columbus International Airport sits inside United States, where civil aviation oversight is led by the Federal Aviation Administration (FAA).
What other airports in United States are close peers to CMH?▾
CMH's curated peers in United States on this site include CLE Cleveland, CVG Cincinnati / Covington, PIT Pittsburgh, plus 3 more.
How many runways does John Glenn Columbus International Airport have?▾
John Glenn Columbus International Airport's source-backed operational summary lists 2 runways, with the longest runway recorded at 10,114 ft / 3,083 m; identifiers include 10L/28R, 10R/28L.