Map of flight path and driving directions from Oklahoma City to Champaign.
Shortest flight path between Will Rogers World Airport (OKC) and University of Illinois Willard Airport (CMI).
How far is Champaign from Oklahoma City?
There are several ways to calculate distances between Oklahoma City and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 602.431 miles
- 969.519 kilometers
- 523.498 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
- 601.722 miles
- 968.378 kilometers
- 522.882 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).
Time difference and current local times
There is no time difference between Oklahoma City and Champaign.
Oklahoma City, OK
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 113 kg (249 pounds).
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Champaign (CMI).