How far is Ulsan from Chicago?
There are several ways to calculate distances between Chicago and Ulsan. Here are two common methods:Vincenty's formula (applied above)
- 6597.370 miles
- 10617.437 kilometers
- 5732.958 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
- 6582.533 miles
- 10593.559 kilometers
- 5720.065 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 O'Hare International Airport (ORD) to Ulsan Airport (USN) is 12 hours 59 minutes.
Time difference and current local times
The time difference between Chicago and Ulsan is 14 hours. Ulsan is 14 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 808 kg (1 781 pounds).
Chicago to Ulsan flight path
Shortest flight path between O'Hare International Airport (ORD) and Ulsan Airport (USN).
Frequent Flyer Miles Calculator
Chicago (ORD) → Ulsan (USN).