How far is Cheongju from Chicago?
There are several ways to calculate distances between Chicago and Cheongju. Here are two common methods:Vincenty's formula (applied above)
- 6573.674 miles
- 10579.303 kilometers
- 5712.367 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
- 6558.642 miles
- 10555.111 kilometers
- 5699.304 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).
Estimated flight time from Chicago O'Hare International Airport (ORD) to Cheongju International Airport (CJJ) is 12 hours 56 minutes.
Time difference and current local times
The time difference between Chicago and Cheongju is 14 hours. Cheongju is 14 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 804 kg (1 773 pounds).
Chicago to Cheongju flight path
Shortest flight path between Chicago O'Hare International Airport (ORD) and Cheongju International Airport (CJJ).
Frequent Flyer Miles Calculator
Chicago (ORD) → Cheongju (CJJ).