Air Miles Calculator

Distance between Seoul (ICN) and Chicago, IL (ORD)

Distance from Incheon International Airport to O'Hare International Airport is 6552 miles / 10545 kilometers / 5694 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Incheon International Airport (ICN) to O'Hare International Airport (ORD) is 12 hours 54 minutes.

Time difference and current local times

The time difference between Seoul and Chicago is 15 hours. Chicago is 15 hours behind Seoul.

Time Difference

Seoul
Chicago

Seoul

 KST

Chicago, IL

 CST

Airport information


A Incheon International Airport
City: Seoul
Country: South Korea Flag of South Korea
IATA Code: ICN
ICAO Code: RKSI
Coordinates: 37°27′36″N, 126°26′26″E

B 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

Map

Flight map from Seoul to Chicago.

Frequent Flyer Miles Calculator

Seoul (ICN) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
6552
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6552

Round trip?