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AIRPORT

Seoul Gimpo International AirportRKSS / GMP

Seoul Gimpo International Airport serves Seoul, Seoul-teukbyeolsi (Seoul Special City), South Korea. Its ICAO code is RKSS and its IATA code GMP. The longest of its 2 runways is 14L/32R, at 11,811 ft (3,600 m). The field is 59 ft (18 m) above sea level. Local time is Asia/Seoul, UTC+9.

Published by Overfly · Airport data: OurAirports, 14 Sep 2026 · Last updated 23 Sep 2026

ICAO

RKSS

IATA

GMP

LONGEST RUNWAY

11,811 ft

3,600 m · 14L/32R

ELEVATION

59 ft

18 m

TIME ZONE

UTC+9

Asia/Seoul

POSITION

37.558°N

126.791°E

Runways

14L/32R11,811 ft · 3,600 mASP

14R/32L10,499 ft · 3,200 mASP

Nearest airports

Incheon International Airport RKSI 17 nm30m

Seoul Air Base (K-16) RKSM 17 nm30m

Suwon Airport RKSW 22 nm35m

Osan Air Base RKSO 30 nm35m

Camp Humphreys (A-511) Desiderio Army Airfield RKSG 38 nm35m

Haeju Airfield KP-000255 nm35m

Wonju Airport RKNW 56 nm35m

Jungwon Air Base/Chungju Airport RKTI 61 nm40m

Questions people ask about Seoul Gimpo International Airport

How long is the runway at Seoul Gimpo International Airport?

The longest runway, 14L/32R, is 11,811 ft (3,600 m), surface ASP. Seoul Gimpo International Airport has 2 runways in all.

What is the elevation of Seoul Gimpo International Airport?

59 ft (18 m) above mean sea level.

What time zone is Seoul Gimpo International Airport in?

Asia/Seoul: UTC+9.

What are the codes for Seoul Gimpo International Airport?

ICAO RKSS, IATA GMP. It serves Seoul, South Korea.

How far can you fly from Seoul?

Open the mapper with a 7,300 nm range ring around RKSS, then pick your own aircraft, add a route and check every leg.

Open RKSS in the mapper

ROUTES FROM RKSS

Jeju City to Seoul243 nm

For reference and planning interest. Not for operational flight planning. Runway and elevation data from OurAirports; check current charts and NOTAMs before any flight. © 2026 Overfly.Flights