Air Miles Calculator logo

How far is Seoul from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Seoul (Seoul Gimpo International Airport) is 6946 miles / 11179 kilometers / 6036 nautical miles.

Washington Dulles International Airport – Seoul Gimpo International Airport

Distance arrow
6946
Miles
Distance arrow
11179
Kilometers
Distance arrow
6036
Nautical miles

Search flights

Distance from Washington D.C. to Seoul

There are several ways to calculate the distance from Washington D.C. to Seoul. Here are two standard methods:

Vincenty's formula (applied above)
  • 6946.095 miles
  • 11178.656 kilometers
  • 6035.991 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 6930.901 miles
  • 11154.203 kilometers
  • 6022.788 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Washington D.C. to Seoul?

The estimated flight time from Washington Dulles International Airport to Seoul Gimpo International Airport is 13 hours and 39 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Seoul Gimpo International Airport (GMP)

On average, flying from Washington D.C. to Seoul generates about 847 kg of CO2 per passenger, and 847 kilograms equals 1 868 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Seoul

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Seoul Gimpo International Airport (GMP).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Seoul Gimpo International Airport
City: Seoul
Country: South Korea Flag of South Korea
IATA Code: GMP
ICAO Code: RKSS
Coordinates: 37°33′29″N, 126°47′27″E