What is the flight distance between GMP and IAD?

Distance between Gimpo International Airport (GMP) and Dulles International Airport (IAD) is 11154 kilometers or 6931 miles.

Distance From Gimpo International Airport to Dulles International Airport (GMP - IAD Distance)

Q: How long is the flight from GMP to IAD?

Flight time from Gimpo International Airport, Seoul, South Korea to Dulles International Airport, Washington, United States is 13 hours 52 minutes under avarage conditions.

Q: What is the time difference between Seoul, South Korea and Washington, United States?

Time difference between Seoul (South Korea) and Washington (United States) is 14 Hours. Washington time is 14 Hours behind Seoul. It is currently 21:46 in Gimpo International Airport (GMP) and 07:46 in Dulles International Airport (IAD).

The flight distance from Gimpo International Airport (GMP) to Dulles International Airport (IAD) is 6931 miles. This is equivalent to 11154 kilometers or 6019 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

11154 kilometers is the distance from Gimpo International Airport, South Korea to Dulles International Airport, United States.

Flight Duration between Seoul, South Korea and Washington, United States

Estimated flight time from Gimpo International Airport, Seoul, South Korea to Dulles International Airport, Washington, United States is 13 hours 52 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • GMP - IAD

Time difference between Seoul (South Korea) and Washington (United States) is 14 Hours.
Current local time in Seoul is 2025-12-05, 21:46:28 KST and time in Washington is 2025-12-05, 07:46:28 EST.
Washington time is 14 Hours behind Seoul.

Gimpo International Airport to Dulles International Airport Flight Route Map - GMP to IAD Flight Path

Location of Gimpo International Airport & Dulles International Airport is given below.
Click the map to view Seoul to Washington nonstop flight path and travel direction.

Click to see flight route on Google Map between Seoul, South Korea and Washington, United States. .

Nonstop flight route between Seoul, South Korea and Washington, United States.

Gimpo International Airport
City:	Seoul
Country:	South Korea
IATA Code:	GMP
ICAO Code:	RKSS
GPS Coordinates:	Latitude: N 37° 33' 29.9'' Longitude: E 126° 47' 27.6''
Current time:	2025-12-05, 21:46:28 KST
Current weather:	Gimpo International Airport 15 day weather forecast

Dulles International Airport
City:	Washington
Country:	United States
IATA Code:	IAD
ICAO Code:	KIAD
GPS Coordinates:	Latitude: N 38° 56' 40.3'' Longitude: W 77° 27' 20.9''
Current time:	2025-12-05, 07:46:28 EST
Current weather:	Dulles International Airport 15 day weather forecast
Flights: