Map of flight path from Seoul to Chicago.
Shortest flight path between Seoul Incheon International Airport (ICN) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Seoul?
There are several ways to calculate distances between Seoul and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 6552.201 miles
- 10544.746 kilometers
- 5693.707 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
- 6537.053 miles
- 10520.366 kilometers
- 5680.543 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 Seoul and Chicago is 14 hours. Chicago is 14 hours behind Seoul.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 801 kg (1 767 pounds).
Frequent Flyer Miles Calculator
Seoul (ICN) → Chicago (ORD).