Map of flight path from Chicago to Busan.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Gimhae International Airport (PUS).
How far is Busan from Chicago?
There are several ways to calculate distances between Chicago and Busan. Here are two common methods:Vincenty's formula (applied above)
- 6633.372 miles
- 10675.377 kilometers
- 5764.242 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
- 6618.571 miles
- 10651.558 kilometers
- 5751.381 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 Chicago and Busan is 15 hours. Busan is 15 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 804 kg (1 772 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Busan (PUS).