Air Miles Calculator

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

Flight distance from Chicago to Seoul (Chicago O'Hare International Airport – Seoul Gimpo International Airport) is 6538 miles / 10522 kilometers / 5681 nautical miles. Estimated flight time is 12 hours 52 minutes.

Map of flight path from Chicago to Seoul.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Seoul Gimpo International Airport (GMP).

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).

Airport information


A Chicago 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 Seoul 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

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, IL

 CST

Seoul

 KST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 790 kg (1 742 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Seoul (GMP).

Distance:
6538
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6538

Round trip?