Air Miles Calculator

Distance between Chicago, IL (ORD) and Jeju (CJU)

Flight distance from Chicago to Jeju (Chicago O'Hare International Airport – Jeju International Airport) is 6798 miles / 10940 kilometers / 5907 nautical miles. Estimated flight time is 13 hours 22 minutes.

Map of flight path from Chicago to Jeju.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Jeju International Airport (CJU).

How far is Jeju from Chicago?

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

Vincenty's formula (applied above)
  • 6797.770 miles
  • 10939.950 kilometers
  • 5907.100 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
  • 6783.119 miles
  • 10916.371 kilometers
  • 5894.369 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 Jeju International Airport
City: Jeju
Country: South Korea Flag of South Korea
IATA Code: CJU
ICAO Code: RKPC
Coordinates: 33°30′40″N, 126°29′34″E

Time difference and current local times

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

Time Difference

Chicago, IL

 CST

Jeju

 KST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 826 kg (1 822 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Jeju (CJU).

Distance:
6798
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6798

Round trip?