Air Miles Calculator

Distance between Chicago, IL (ORD) and Ulsan (USN)

Distance from Chicago to Ulsan (O'Hare International Airport – Ulsan Airport) is 6597 miles / 10617 kilometers / 5733 nautical miles.

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).

Flight duration

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.

Time Difference

Chicago
Ulsan

Chicago, IL

 CDT

Ulsan

 KST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 808 kg (1 781 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Ulsan Airport
City: Ulsan
Country: South Korea Flag of South Korea
IATA Code: USN
ICAO Code: RKPU
Coordinates: 35°35′36″N, 129°21′7″E

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).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
6597
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6597

Round trip?