Air Miles Calculator

Distance between Seoul (ICN) and Washington D.C. (IAD)

Distance from Seoul to Washington D.C. (Washington Dulles International Airport – Incheon International Airport) is 6959 miles / 11199 kilometers / 6047 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 6958.698 miles
  • 11198.940 kilometers
  • 6046.944 nautical miles

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

Haversine formula
  • 6943.509 miles
  • 11174.495 kilometers
  • 6033.745 nautical miles

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

Flight duration

Estimated flight time from Incheon International Airport (ICN) to Washington Dulles International Airport (IAD) is 13 hours 40 minutes.

Time difference and current local times

The time difference between Seoul and Washington D.C. is 14 hours. Washington D.C. is 14 hours behind Seoul.

Time Difference

Seoul
Washington D.C.

Seoul

 KST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 900 kg (1 983 pounds).

Airport information


A Incheon International Airport
City: Seoul
Country: South Korea Flag of South Korea
IATA Code: ICN
ICAO Code: RKSI
Coordinates: 37°27′36″N, 126°26′26″E

B 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

Map

Seoul to Washington D.C. flight map.

Frequent Flyer Miles Calculator

Seoul (ICN) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
6959
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6959

Round trip?