Map of flight path and driving directions from Chicago to Champaign.
Shortest flight path between Chicago O'Hare International Airport (ORD) and University of Illinois Willard Airport (CMI).
How far is Champaign from Chicago?
There are several ways to calculate distances between Chicago and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 135.244 miles
- 217.655 kilometers
- 117.524 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
- 135.405 miles
- 217.914 kilometers
- 117.664 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 Chicago and Champaign.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 45 kg (99 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Champaign (CMI).