Air Miles Calculator

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

Distance from Chicago to Seoul (O'Hare International Airport – Gimpo International Airport) is 6538 miles / 10522 kilometers / 5681 nautical miles.

How far is Seoul from Chicago?

There are several ways to calculate distances between Chicago and Seoul. Here are two common methods:

Vincenty's formula (applied above)
  • 6537.942 miles
  • 10521.798 kilometers
  • 5681.317 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
  • 6522.795 miles
  • 10497.421 kilometers
  • 5668.154 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 Gimpo International Airport (GMP) is 12 hours 52 minutes.

Time difference and current local times

The time difference between Chicago and Seoul is 15 hours. Seoul is 15 hours ahead of Chicago.

Time Difference

Chicago
Seoul

Chicago, IL

 CST

Seoul

 KST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 799 kg (1 762 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 Gimpo International Airport
City: Seoul
Country: South Korea Flag of South Korea
IATA Code: GMP
ICAO Code: RKSS
Coordinates: 37°33′29″N, 126°47′27″E

Map

Chicago to Seoul flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Seoul (GMP).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
6538
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6538

Round trip?