GMP · Seoul, South Korea
Gimpo International Airport.
--:--:-- · KST (UTC+09:00) · 37.5583° N, 126.7910° E
Gimpo International Airport
Secondary airport serving Seoul, South Korea
Verification trail
Source-backed facts for GMP
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 5656; ident RKSS; scheduled service listed.
Cached airports.csv snapshot: 2026-04-25; runways.csv snapshot: 2026-05-21.
Official airport source
gimpo.airport.co.kr
Used as the preferred live-reference handoff for terminals, gates, alerts, and airport notices.
Open sourceReference summary
Gimpo International Airport
Airport-shaped reference summary from en.wikipedia.org; summary snapshot 2026-05-20.
Open sourceManual / derived signals
17 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
GMP / RKSS
OurAirports ident
RKSS
GPS / local code
RKSS
ISO region
KR-11
Scheduled service
Listed in source snapshot
Role
international scheduled-service gateway
Official host
gimpo.airport.co.kr
Reference host
en.wikipedia.org
Wikidata entity
Q482493
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, 9:24 PM UTC.
What you need to know now
Local airport time
--:--:--KST · UTC+09:00
Time zone
KST
Asia/Seoul · UTC+09:00
Airfield conditions
Live airport weather is temporarily unavailable.
Surface access
17 km
Approximate distance to central Seoul.
Airport Snapshot
Country capital
Seoul
Languages
Korean
Currency
KRW (₩)
Country area
100,210 km²
Passenger volume
Source note unavailable
Terminals
Not clearly stated
Runways
2 runways
Longest runway
11,811 ft / 3,600 m
Runway surface
asphalt (2)
Opened / operator
Korea Airports Corporation
Owner / entity
Q482493
Hub airlines
Mixed or not clearly stated
Airport role
international scheduled-service gateway
Scheduled service
Listed
Fact coverage
17 source-backed signals
Gimpo International Airport is a international scheduled-service gateway for Seoul, South Korea. Seoul's built-up core sits roughly 17 km from the terminal area. Operations run on Asia/Seoul (UTC+09:00, KST). 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.
Gimpo International Airport (GMP / RKSS) is at 37.5583° N, 126.7910° E, elevation 59 ft (18 m), serving Seoul, South Korea.
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.
Seoul is in South Korea (capital Seoul); regulated by Korea Office of Civil Aviation (MOLIT); on Asia/Seoul (KST, UTC+09:00); working languages: Korean; currency: KRW (₩).
Distance from central Seoul: 17 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 GMP.
Name and identity cues
Primary airport name
Gimpo International Airport (GMP / RKSS)
Gimpo International Airport · Secondary airport serving Seoul, South Korea
Source identifiers
RKSS · RKSS · KR-11
gimpo.airport.co.kr · en.wikipedia.org · scheduled service yes
Source-specific airport notes
Location cue
Gimpo International Airport, formerly rendered in English as Kimpo International Airport, is located in the far western end of Seoul, the capital of South Korea, some 15 kilometres (9 mi) west of the central district of Seoul.
Used to make the airport page location-specific beyond the code, coordinate, and timezone record.
Closest mapped city anchors
1. Bucheon-si
bucheon-si · 6.6 km from GMP
South Korea · Asia/Seoul · +0h · population 850,731 · city coordinates 37.4989, 126.7831
2. Gimpo-si
gimpo-si · 9.9 km from GMP
South Korea · Asia/Seoul · +0h · population 203,391 · city coordinates 37.6236, 126.7142
3. Gwangmyeong
gwangmyeong · 11 km from GMP
South Korea · Asia/Seoul · +0h · population 357,545 · city coordinates 37.4772, 126.8664
4. Goyang-si
goyang-si · 12 km from GMP
South Korea · Asia/Seoul · +0h · population 1,061,752 · city coordinates 37.6564, 126.8350
5. Incheon
incheon · 14 km from GMP
South Korea · Asia/Seoul · +0h · population 3,015,482 · city coordinates 37.4565, 126.7052
6. Siheungdong
siheungdong · 16 km from GMP
South Korea · Asia/Seoul · +0h · population 128,142 · city coordinates 37.4518, 126.9108
Airport alternatives in the retained graph
1. ICN RKSI
Incheon International Airport · Seoul
32 km from GMP · Asia/Seoul · +0h · elevation 23 ft (7 m) · airport coordinates 37.4691, 126.4510
2. CJJ RKTU
Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Cheongju
113 km from GMP · Asia/Seoul · +0h · elevation 191 ft (58 m) · airport coordinates 36.7156, 127.5003
3. YNY RKNY
Yangyang International Airport · Gonghang-ro
174 km from GMP · Asia/Seoul · +0h · elevation 241 ft (73 m) · airport coordinates 38.0605, 128.6698
4. FNJ ZKPY
Pyongyang Sunan International Airport · Pyongyang
209 km from GMP · Asia/Pyongyang · +0h · elevation 117 ft (36 m) · airport coordinates 39.2241, 125.6700
5. TAE RKTN
Daegu International Airport · Daegu
249 km from GMP · Asia/Seoul · +0h · elevation 116 ft (35 m) · airport coordinates 35.8944, 128.6570
Route-time reference set
1. GMP-CJJ
Cheongju · 113 km · 59m
Asia/Seoul · +0h from GMP; reference route only, not a live schedule.
2. GMP-YNY
Gonghang-ro · 174 km · 1h 3m
Asia/Seoul · +0h from GMP; reference route only, not a live schedule.
3. GMP-FNJ
Pyongyang · 209 km · 1h 6m
Asia/Pyongyang · +0h from GMP; reference route only, not a live schedule.
4. GMP-TAE
Daegu · 249 km · 1h 9m
Asia/Seoul · +0h from GMP; reference route only, not a live schedule.
Runway source evidence
Published runway count
2 runways
Longest runway 11,811 ft / 3,600 m. 2 lighted runways in the runway snapshot.
Runway surface mix
asphalt (2)
Surface labels are normalized from the OurAirports runway rows for GMP.
Runway identifiers
14L/32R · 14R/32L
Identifier pairs are retained as airport-specific runway cues, not live operational availability claims.
Same-country airport context
1. ICN RKSI
Incheon International Airport · Seoul · 32 km from GMP
large airport · Asia/Seoul · south-korea · 23 ft (7 m) · 37.4691, 126.4510
2. CJJ RKTU
Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Cheongju · 113 km from GMP
large airport · Asia/Seoul · south-korea · 191 ft (58 m) · 36.7156, 127.5003
3. YNY RKNY
Yangyang International Airport · Gonghang-ro · 174 km from GMP
large airport · Asia/Seoul · south-korea · 241 ft (73 m) · 38.0605, 128.6698
4. TAE RKTN
Daegu International Airport · Daegu · 249 km from GMP
large airport · Asia/Seoul · south-korea · 116 ft (35 m) · 35.8944, 128.6570
5. MWX RKJB
Muan International Airport · Muan (Piseo-ri) · 288 km from GMP
large airport · Asia/Seoul · south-korea · 35 ft (11 m) · 34.9914, 126.3828
6. PUS RKPK
Gimhae International Airport · Busan · 327 km from GMP
large airport · Asia/Seoul · south-korea · 6 ft (2 m) · 35.1795, 128.9380
Country and authority
GMP sits in South Korea (Republic of Korea), whose capital is Seoul. Korea Office of Civil Aviation (MOLIT) is the national civil-aviation authority we name for regulator context. Country context: Asia, Eastern Asia.
Traveler context
Common country-language signals: Korean. Currency context: KRW (₩). GMP is listed with scheduled service in the airport source snapshot.
Reference description
Secondary airport serving Seoul, South Korea. 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: Gimpo International Airport, formerly rendered in English as Kimpo International Airport, is located in the far western end of Seoul, the capital of South Korea, some 15 kilometres (9 mi) west of the central district of Seoul.
Entity fingerprint
Wikidata airport entity: Q482493 · Gimpo International Airport. Administrative area: Gangseo District. Named after: Gimpo. Entity official-site cross-check: airport.co.kr
Field and clock profile
Gimpo International Airport is a near sea-level field at 59 ft (18 m), positioned at 37.5583° N, 126.7910° E in the Northern mid-latitudes. The runway snapshot lists 2 runways and a longest runway of 11,811 ft / 3,600 m. The airport clock uses Asia/Seoul (KST, UTC+09:00), so cross-date arrivals should be checked against this zone rather than the airline origin city.
City and airport alternatives
Bucheon-si is the closest retained city-time anchor at 6.6 km. ICN Seoul is the closest retained airport alternative at 32 km.
Country airport peers
GMP is compared with ICN Seoul at 32 km, CJJ Cheongju at 113 km, YNY Gonghang-ro at 174 km, TAE Daegu at 249 km, MWX Muan (Piseo-ri) at 288 km inside the retained South Korea airport set, which is useful when backup airports share the same country context but differ by city, route network, and clock behavior.
Route geometry
GMP-CJJ Cheongju: 113 km, about 59m, +0h. GMP-YNY Gonghang-ro: 174 km, about 1h 3m, +0h. GMP-FNJ Pyongyang: 209 km, about 1h 6m, +0h. GMP-TAE Daegu: 249 km, about 1h 9m, +0h. These are distance and timezone references, not live flight availability claims.
Source trail
OurAirports ident RKSS backs the stable code, coordinate, elevation, and timezone record. gimpo.airport.co.kr 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 11,811 ft / 3,600 m
Runway identifiers
14L/32R, 14R/32L
OurAirports classifies GMP as a large airport with scheduled service; the airport name and codes identify it as an international gateway for Seoul.
GMP (RKSS) is a near sea-level field at 59 ft (18 m) in the mid-latitudes, kept in the curated set for its route, timezone, and market-planning value.
GMP sits in a broader regional network with 5 nearby curated alternatives, so airline choice and connection strategy are part of the planning story here.
GMP's runway record lists 2 runways, with the longest runway at 11,811 ft / 3,600 m and source surfaces recorded as asphalt (2).
Korea Airports Corporation is the clearest operator or management signal we currently have on file for GMP.
These operational notes prefer the structured airport facts snapshot, then fall back to the accepted airport reference at gimpo.airport.co.kr, then blend that with local timezone, route, and city-access data already on this page.
Decision matrix for GMP
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
GMP uses Asia/Seoul (KST, UTC+09:00). Use this before overnight arrivals, cross-date departures, and same-day connections.
When surface access matters
Gimpo International Airport is about 17 km from central Seoul; build that transfer into arrival and check-in planning.
When alternates matter
ICN Seoul is the closest retained alternate at 32 km, time difference +0h.
When source checks matter
gimpo.airport.co.kr 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 GMP inside the retained airport graph by country, timezone, elevation, and coordinate neighbors. They are deterministic dataset facts, not generated flight claims.
Country-rank position
GMP ranks #3 in the curated South Korea airport set when large airports are listed before medium airports, then sorted by IATA code. The retained country set has 8 airports.
Same-zone airport cohort
GMP shares Asia/Seoul with CJJ Cheongju KR · CJU Jeju City KR · ICN Seoul KR · MWX Muan (Piseo-ri) KR · PUS Busan KR · TAE Daegu KR. This helps separate same-clock airports by city, country, code, and geography.
Elevation-neighbor cohort
GMP is 59 ft (18 m). Closest elevation peers in the retained airport set include NAN 59 ft (18 m) (0 ft delta) · SDQ 59 ft (18 m) (0 ft delta) · XMN 59 ft (18 m) (0 ft delta) · LGB 60 ft (18 m) (1 ft delta) · DXB 62 ft (19 m) (3 ft delta).
Coordinate-neighbor check
GMP's nearest retained coordinate neighbors are ICN 32 km +0h · CJJ 113 km +0h · YNY 174 km +0h · FNJ 209 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 |
|---|---|---|---|---|---|
| Cheongju | CJJ | 113 km | 59m | +0h | --:--:-- |
| Gonghang-ro | YNY | 174 km | 1h 3m | +0h | --:--:-- |
| Pyongyang | FNJ | 209 km | 1h 6m | +0h | --:--:-- |
| Daegu | TAE | 249 km | 1h 9m | +0h | --:--:-- |
GMP to CJJ
Cheongju
Distance 113 km; estimated travel window 59m; destination zone Asia/Seoul is +0h from GMP. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
GMP to YNY
Gonghang-ro
Distance 174 km; estimated travel window 1h 3m; destination zone Asia/Seoul is +0h from GMP. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
GMP to FNJ
Pyongyang
Distance 209 km; estimated travel window 1h 6m; destination zone Asia/Pyongyang is +0h from GMP. 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.
Seoul 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.
Gimpo 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 GMP, then shown with their own timezone, local time, and time difference from the airport clock.
Bucheon-si
bucheon-si · 6.6 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Gimpo-si
gimpo-si · 9.9 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Gwangmyeong
gwangmyeong · 11 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Goyang-si
goyang-si · 12 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Incheon
incheon · 14 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Siheungdong
siheungdong · 16 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Seoul
seoul · 17 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Anyang-si
anyang-si · 22 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Gunpo
gunpo · 25 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Uiwang
uiwang · 26 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Ansan-si
ansan-si · 26 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Uijeongbu-si
uijeongbu-si · 30 km · Asia/Seoul
- Local time
- --:--:--
- Diff
- +0h
Airlines and Network Role
Gimpo 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: Cheongju (CJJ), Gonghang-ro (YNY), Pyongyang (FNJ). 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 11,811 ft / 3,600 m; identifiers 14L/32R, 14R/32L.
- Runway surfaces: asphalt (2); 2 lighted runways in the source snapshot.
- Operator / management: Korea Airports Corporation.
- 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 GMP. The time difference column is computed from IANA zones against the page snapshot, while the local clocks update in the browser.
Incheon International AirportICN
Seoul · large airport
- Distance
- 32 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 23 ft (7 m)
Compare against ICN when route choice, backup departures, or arrival-side local time matters.
Cheongju International Airport/Cheongju Air Base (K-59/G-513)CJJ
Cheongju · large airport
- Distance
- 113 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 191 ft (58 m)
Compare against CJJ when route choice, backup departures, or arrival-side local time matters.
Yangyang International AirportYNY
Gonghang-ro · large airport
- Distance
- 174 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 241 ft (73 m)
Compare against YNY when route choice, backup departures, or arrival-side local time matters.
Pyongyang Sunan International AirportFNJ
Pyongyang · large airport
- Distance
- 209 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 117 ft (36 m)
Compare against FNJ when route choice, backup departures, or arrival-side local time matters.
Daegu International AirportTAE
Daegu · large airport
- Distance
- 249 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 116 ft (35 m)
Compare against TAE when route choice, backup departures, or arrival-side local time matters.
Companion Planning Tools
Questions
FAQ
What timezone is Gimpo International Airport (GMP) in?▾
Gimpo International Airport is in the Asia/Seoul timezone (UTC+09:00, KST).
What are the codes for Gimpo International Airport?▾
Gimpo International Airport uses IATA code GMP and ICAO code RKSS.
Where is Gimpo International Airport located?▾
Gimpo International Airport is located in Seoul, South Korea at coordinates 37.5583° N, 126.7910° E, with an elevation of 59 ft (18 m) (near sea-level field in the mid-latitudes).
How far is Gimpo International Airport from central Seoul?▾
Gimpo International Airport sits roughly 17 km from the nearest mapped city center for Seoul.
Which route reference is most useful from GMP?▾
Cheongju (CJJ) is one of the closest route references on this page, with an estimated travel window of 59m, destination timezone Asia/Seoul, and a +0h difference from GMP.
Which authority regulates GMP?▾
Gimpo International Airport sits inside South Korea, where civil aviation oversight is led by the Korea Office of Civil Aviation (MOLIT).
What other airports in South Korea are close peers to GMP?▾
GMP's curated peers in South Korea on this site include ICN Seoul, CJJ Cheongju, YNY Gonghang-ro, plus 3 more.
How many runways does Gimpo International Airport have?▾
Gimpo International Airport's source-backed operational summary lists 2 runways, with the longest runway recorded at 11,811 ft / 3,600 m; identifiers include 14L/32R, 14R/32L.