How far is Seoul from Seattle?
There are several ways to calculate distances between Seattle and Seoul. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Incheon International Airport (ICN) is 10 hours 22 minutes.
Time difference and current local times
The time difference between Seattle and Seoul is 17 hours. Seoul is 17 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 651 kg (1 435 pounds).
Seattle to Seoul flight map.
Frequent Flyer Miles Calculator
Seattle (SEA) → Seoul (ICN).