How far is Seoul from San Francisco?
There are several ways to calculate distances between San Francisco and Seoul. Here are two common methods:Vincenty's formula (applied above)
- 5659.129 miles
- 9107.485 kilometers
- 4917.648 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
- 5646.161 miles
- 9086.616 kilometers
- 4906.380 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 San Francisco International Airport (SFO) to Incheon International Airport (ICN) is 11 hours 12 minutes.
Time difference and current local times
The time difference between San Francisco and Seoul is 17 hours. Seoul is 17 hours ahead of San Francisco.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 713 kg (1 571 pounds).
San Francisco to Seoul flight map.
Frequent Flyer Miles Calculator
San Francisco (SFO) → Seoul (ICN).