Calculations with different methods
- 5216.922 miles
- 8395.821 kilometers
- 4533.381 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
- 5203.796 miles
- 8374.698 kilometers
- 4521.975 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Incheon International Airport (ICN) to Seattle–Tacoma International Airport (SEA) is 10 hours 22 minutes.
Time difference and current local times
The time difference between Seoul and Seattle is 16 hours. Seattle is 16 hours behind Seoul.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 651 kg (1 435 pounds).
Seoul to Seattle flight map.
Frequent Flyer Miles Calculator
Seoul (ICN) → Seattle (SEA).