Map of flight path from Washington D.C. to Seoul.
Shortest flight path between Washington Dulles International Airport (IAD) and Seoul Incheon International Airport (ICN).
How far is Seoul from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Seoul. Here are two common 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 – the shortest distance between two points).
Time difference and current local times
The time difference between Washington D.C. and Seoul is 13 hours. Seoul is 13 hours ahead of Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 849 kg (1 872 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Seoul (ICN).