OKJ · Okayama, Japan
Okayama Momotaro Airport.
--:--:-- · JST (UTC+09:00) · 34.7569° N, 133.8550° E
Okayama Airport
Airport in Okayama Prefecture, Japan
Verification trail
Source-backed facts for OKJ
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 5591; ident RJOB; scheduled service listed.
Cached airports.csv snapshot: 2026-04-25; runways.csv snapshot: 2026-05-21.
Official airport source
okayama-airport.org
Used as the preferred live-reference handoff for terminals, gates, alerts, and airport notices.
Open sourceReference summary
Okayama Airport
Airport-shaped reference summary from en.wikipedia.org; summary snapshot 2026-05-20.
Open sourceManual / derived signals
16 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
OKJ / RJOB
OurAirports ident
RJOB
GPS / local code
RJOB
ISO region
JP-33
Scheduled service
Listed in source snapshot
Role
large scheduled-service airport
Official host
okayama-airport.org
Reference host
en.wikipedia.org
Wikidata entity
Q1322391
Snapshot generated
2026-05-21
Airport lookup keys
Stable codes
Regional keys
Alternate names
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, 8:20 PM UTC.
What you need to know now
Local airport time
--:--:--JST · UTC+09:00
Time zone
JST
Asia/Tokyo · UTC+09:00
Airfield conditions
Live airport weather is temporarily unavailable.
Surface access
14 km
Approximate distance to central Okayama.
Airport Snapshot
Country capital
Tokyo
Languages
Japanese
Currency
JPY (¥)
Country area
377,930 km²
Passenger volume
Source note unavailable
Terminals
Not clearly stated
Runways
1 runway
Longest runway
9,843 ft / 3,000 m
Runway surface
asphalt
Opened / operator
Operational history note unavailable
Owner / entity
Q1322391
Hub airlines
Mixed or not clearly stated
Airport role
large scheduled-service airport
Scheduled service
Listed
Fact coverage
16 source-backed signals
Okayama Momotaro Airport is a large scheduled-service airport for Okayama, Japan. Okayama's built-up core sits roughly 14 km from the terminal area. Operations run on Asia/Tokyo (UTC+09:00, JST). 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.
Okayama Momotaro Airport (OKJ / RJOB) is at 34.7569° N, 133.8550° E, elevation 806 ft (246 m), serving Okayama, Japan.
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.
Okayama is in Japan (capital Tokyo); regulated by Japan Civil Aviation Bureau (JCAB); on Asia/Tokyo (JST, UTC+09:00); working languages: Japanese; currency: JPY (¥).
Distance from central Okayama: 14 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 OKJ.
Name and identity cues
Primary airport name
Okayama Momotaro Airport (OKJ / RJOB)
Okayama Airport · Airport in Okayama Prefecture, Japan
Known label 1
okayama
Alternate airport-name cue retained for OKJ, not a separate indexable duplicate page.
Source identifiers
RJOB · RJOB · JP-33
okayama-airport.org · en.wikipedia.org · scheduled service yes
Closest mapped city anchors
1. Sōja
soja · 13 km from OKJ
Japan · Asia/Tokyo · +0h · population 69,030 · city coordinates 34.6753, 133.7509
2. Okayama
okayama · 14 km from OKJ
Japan · Asia/Tokyo · +0h · population 724,691 · city coordinates 34.6500, 133.9333
3. Akaiwa
akaiwa · 16 km from OKJ
Japan · Asia/Tokyo · +0h · population 43,742 · city coordinates 34.8099, 134.0215
4. Kurashiki
kurashiki · 21 km from OKJ
Japan · Asia/Tokyo · +0h · population 483,576 · city coordinates 34.5833, 133.7667
5. Takahashi
takahashi · 22 km from OKJ
Japan · Asia/Tokyo · +0h · population 31,556 · city coordinates 34.7833, 133.6167
6. Tamano
tamano · 28 km from OKJ
Japan · Asia/Tokyo · +0h · population 67,786 · city coordinates 34.5174, 133.9457
Airport alternatives in the retained graph
1. HIJ RJOA
Hiroshima Airport · Hiroshima
93 km from OKJ · Asia/Tokyo · +0h · elevation 1,088 ft (332 m) · airport coordinates 34.4361, 132.9190
2. TKS RJOS
Tokushima Awaodori Airport / JMSDF Tokushima Air Base · Tokushima
98 km from OKJ · Asia/Tokyo · +0h · elevation 26 ft (8 m) · airport coordinates 34.1326, 134.6078
3. UKB RJBE
Kobe Airport · Kobe
126 km from OKJ · Asia/Tokyo · +0h · elevation 22 ft (7 m) · airport coordinates 34.6328, 135.2240
4. KIX RJBB
Kansai International Airport · Osaka
132 km from OKJ · Asia/Tokyo · +0h · elevation 26 ft (8 m) · airport coordinates 34.4273, 135.2440
5. ITM RJOO
Osaka Itami International Airport · Osaka
145 km from OKJ · Asia/Tokyo · +0h · elevation 50 ft (15 m) · airport coordinates 34.7809, 135.4408
Route-time reference set
1. OKJ-HIJ
Hiroshima · 93 km · 57m
Asia/Tokyo · +0h from OKJ; reference route only, not a live schedule.
2. OKJ-TKS
Tokushima · 98 km · 57m
Asia/Tokyo · +0h from OKJ; reference route only, not a live schedule.
3. OKJ-UKB
Kobe · 126 km · 1h 0m
Asia/Tokyo · +0h from OKJ; reference route only, not a live schedule.
4. OKJ-KIX
Osaka · 132 km · 1h 0m
Asia/Tokyo · +0h from OKJ; reference route only, not a live schedule.
5. OKJ-ITM
Osaka · 145 km · 1h 1m
Asia/Tokyo · +0h from OKJ; reference route only, not a live schedule.
Runway source evidence
Published runway count
1 runway
Longest runway 9,843 ft / 3,000 m. 1 lighted runway in the runway snapshot.
Runway surface mix
asphalt
Surface labels are normalized from the OurAirports runway rows for OKJ.
Runway identifiers
07/25
Identifier pairs are retained as airport-specific runway cues, not live operational availability claims.
Same-country airport context
1. HIJ RJOA
Hiroshima Airport · Hiroshima · 93 km from OKJ
large airport · Asia/Tokyo · japan · 1,088 ft (332 m) · 34.4361, 132.9190
2. TKS RJOS
Tokushima Awaodori Airport / JMSDF Tokushima Air Base · Tokushima · 98 km from OKJ
large airport · Asia/Tokyo · japan · 26 ft (8 m) · 34.1326, 134.6078
3. UKB RJBE
Kobe Airport · Kobe · 126 km from OKJ
large airport · Asia/Tokyo · japan · 22 ft (7 m) · 34.6328, 135.2240
4. KIX RJBB
Kansai International Airport · Osaka · 132 km from OKJ
large airport · Asia/Tokyo · japan · 26 ft (8 m) · 34.4273, 135.2440
5. ITM RJOO
Osaka Itami International Airport · Osaka · 145 km from OKJ
large airport · Asia/Tokyo · japan · 50 ft (15 m) · 34.7809, 135.4408
6. MYJ RJOM
Matsuyama Airport · Matsuyama · 148 km from OKJ
large airport · Asia/Tokyo · japan · 25 ft (8 m) · 33.8269, 132.7001
Country and authority
OKJ sits in Japan (Japan), whose capital is Tokyo. Japan Civil Aviation Bureau (JCAB) is the national civil-aviation authority we name for regulator context. Country context: Asia, Eastern Asia.
Traveler context
Common country-language signals: Japanese. Currency context: JPY (¥). OKJ is listed with scheduled service in the airport source snapshot.
Names and local labels
OKJ is also associated in the airport facts snapshot with okayama. These labels help catch alternate airport names without creating separate duplicate airport pages.
Reference description
Airport in Okayama Prefecture, Japan. 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.
Entity fingerprint
Wikidata airport entity: Q1322391 · Okayama Airport. Administrative area: Chūgoku region · Okayama. Named after: Okayama. Entity official-site cross-check: okayama-airport.org
Field and clock profile
Okayama Momotaro Airport is a low-elevation field at 806 ft (246 m), positioned at 34.7569° N, 133.8550° E in the Northern subtropics. The runway snapshot lists 1 runway and a longest runway of 9,843 ft / 3,000 m. The airport clock uses Asia/Tokyo (JST, UTC+09:00), so cross-date arrivals should be checked against this zone rather than the airline origin city.
City and airport alternatives
Sōja is the closest retained city-time anchor at 13 km. HIJ Hiroshima is the closest retained airport alternative at 93 km.
Country airport peers
OKJ is compared with HIJ Hiroshima at 93 km, TKS Tokushima at 98 km, UKB Kobe at 126 km, KIX Osaka at 132 km, ITM Osaka at 145 km inside the retained Japan airport set, which is useful when backup airports share the same country context but differ by city, route network, and clock behavior.
Route geometry
OKJ-HIJ Hiroshima: 93 km, about 57m, +0h. OKJ-TKS Tokushima: 98 km, about 57m, +0h. OKJ-UKB Kobe: 126 km, about 1h 0m, +0h. OKJ-KIX Osaka: 132 km, about 1h 0m, +0h. These are distance and timezone references, not live flight availability claims.
Source trail
OurAirports ident RJOB backs the stable code, coordinate, elevation, and timezone record. okayama-airport.org 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
1 runway · longest 9,843 ft / 3,000 m
Runway identifiers
07/25
OurAirports classifies OKJ as a large airport with scheduled service, which gives it stronger planning value than a code-only lookup.
OKJ (RJOB) is a low-elevation field at 806 ft (246 m) in the subtropics, kept in the curated set for its route, timezone, and market-planning value.
OKJ sits in a broader regional network with 5 nearby curated alternatives, so airline choice and connection strategy are part of the planning story here.
OKJ's runway record lists 1 runway, with the longest runway at 9,843 ft / 3,000 m and source surfaces recorded as asphalt.
Civil aviation oversight for OKJ runs through Japan Civil Aviation Bureau (JCAB); a more specific operator record is not currently in our source set.
These operational notes prefer the structured airport facts snapshot, then fall back to the accepted airport reference at okayama-airport.org, then blend that with local timezone, route, and city-access data already on this page.
Decision matrix for OKJ
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
OKJ uses Asia/Tokyo (JST, UTC+09:00). Use this before overnight arrivals, cross-date departures, and same-day connections.
When surface access matters
Okayama Momotaro Airport is about 14 km from central Okayama; build that transfer into arrival and check-in planning.
When alternates matter
HIJ Hiroshima is the closest retained alternate at 93 km, time difference +0h.
When source checks matter
okayama-airport.org 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 OKJ inside the retained airport graph by country, timezone, elevation, and coordinate neighbors. They are deterministic dataset facts, not generated flight claims.
Country-rank position
OKJ ranks #15 in the curated Japan airport set when large airports are listed before medium airports, then sorted by IATA code. The retained country set has 18 airports.
Same-zone airport cohort
OKJ shares Asia/Tokyo with CTS Sapporo JP · FUK Fukuoka JP · HIJ Hiroshima JP · HND Tokyo JP · HSG Saga JP · ITM Osaka JP. This helps separate same-clock airports by city, country, code, and geography.
Elevation-neighbor cohort
OKJ is 806 ft (246 m). Closest elevation peers in the retained airport set include SAT 809 ft (247 m) (3 ft delta) · CMH 815 ft (248 m) (9 ft delta) · IND 797 ft (243 m) (9 ft delta) · GRR 794 ft (242 m) (12 ft delta) · CLE 791 ft (241 m) (15 ft delta).
Coordinate-neighbor check
OKJ's nearest retained coordinate neighbors are HIJ 93 km +0h · TKS 98 km +0h · UKB 126 km +0h · KIX 132 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 |
|---|---|---|---|---|---|
| Hiroshima | HIJ | 93 km | 57m | +0h | --:--:-- |
| Tokushima | TKS | 98 km | 57m | +0h | --:--:-- |
| Kobe | UKB | 126 km | 1h 0m | +0h | --:--:-- |
| Osaka | KIX | 132 km | 1h 0m | +0h | --:--:-- |
| Osaka | ITM | 145 km | 1h 1m | +0h | --:--:-- |
OKJ to HIJ
Hiroshima
Distance 93 km; estimated travel window 57m; destination zone Asia/Tokyo is +0h from OKJ. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
OKJ to TKS
Tokushima
Distance 98 km; estimated travel window 57m; destination zone Asia/Tokyo is +0h from OKJ. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
OKJ to UKB
Kobe
Distance 126 km; estimated travel window 1h 0m; destination zone Asia/Tokyo is +0h from OKJ. 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
The airport sits in the normal outer-ring range for a major metro gateway, so rail, shuttle coach, and ride-hail all matter when you judge the fastest arrival.
Okayama 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.
Okayama Momotaro 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 OKJ, then shown with their own timezone, local time, and time difference from the airport clock.
Sōja
soja · 13 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Okayama
okayama · 14 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Akaiwa
akaiwa · 16 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Kurashiki
kurashiki · 21 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Takahashi
takahashi · 22 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Tamano
tamano · 28 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Setouchi
setouchi · 28 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Asakuchi
asakuchi · 34 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Kamogatachō-kamogata
kamogatacho-kamogata · 34 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Bizen
bizen · 35 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Tsuyama
tsuyama · 35 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Hayashino
hayashino · 38 km · Asia/Tokyo
- Local time
- --:--:--
- Diff
- +0h
Airlines and Network Role
Okayama Momotaro 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: Hiroshima (HIJ), Tokushima (TKS), Kobe (UKB). 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: 1 runway; longest runway 9,843 ft / 3,000 m; identifiers 07/25.
- Runway surfaces: asphalt; 1 lighted runway in the source snapshot.
- Operator / management: not clearly stated in the source trail.
- Historical opening year: not clearly stated in the source trail.
- Network role: mixed or not clearly stated in the source trail.
Nearby Airports
Nearby airports are ranked by coordinate distance from OKJ. The time difference column is computed from IANA zones against the page snapshot, while the local clocks update in the browser.
Hiroshima AirportHIJ
Hiroshima · large airport
- Distance
- 93 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 1,088 ft (332 m)
Compare against HIJ when route choice, backup departures, or arrival-side local time matters.
Tokushima Awaodori Airport / JMSDF Tokushima Air BaseTKS
Tokushima · large airport
- Distance
- 98 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 26 ft (8 m)
Compare against TKS when route choice, backup departures, or arrival-side local time matters.
Kobe AirportUKB
Kobe · large airport
- Distance
- 126 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 22 ft (7 m)
Compare against UKB when route choice, backup departures, or arrival-side local time matters.
Kansai International AirportKIX
Osaka · large airport
- Distance
- 132 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 26 ft (8 m)
Compare against KIX when route choice, backup departures, or arrival-side local time matters.
Osaka Itami International AirportITM
Osaka · large airport
- Distance
- 145 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 50 ft (15 m)
Compare against ITM when route choice, backup departures, or arrival-side local time matters.
Questions
FAQ
What timezone is Okayama Momotaro Airport (OKJ) in?▾
Okayama Momotaro Airport is in the Asia/Tokyo timezone (UTC+09:00, JST).
What are the codes for Okayama Momotaro Airport?▾
Okayama Momotaro Airport uses IATA code OKJ and ICAO code RJOB.
Where is Okayama Momotaro Airport located?▾
Okayama Momotaro Airport is located in Okayama, Japan at coordinates 34.7569° N, 133.8550° E, with an elevation of 806 ft (246 m) (low-elevation field in the subtropics).
How far is Okayama Momotaro Airport from central Okayama?▾
Okayama Momotaro Airport sits roughly 14 km from the nearest mapped city center for Okayama.
Which route reference is most useful from OKJ?▾
Hiroshima (HIJ) is one of the closest route references on this page, with an estimated travel window of 57m, destination timezone Asia/Tokyo, and a +0h difference from OKJ.
Which authority regulates OKJ?▾
Okayama Momotaro Airport sits inside Japan, where civil aviation oversight is led by the Japan Civil Aviation Bureau (JCAB).
What other airports in Japan are close peers to OKJ?▾
OKJ's curated peers in Japan on this site include HIJ Hiroshima, TKS Tokushima, UKB Kobe, plus 3 more.
How many runways does Okayama Momotaro Airport have?▾
Okayama Momotaro Airport's source-backed operational summary lists 1 runway, with the longest runway recorded at 9,843 ft / 3,000 m; identifiers include 07/25.