Calculations with different methods
- 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).
Estimated flight time from University of Illinois Willard Airport (CMI) to O'Hare International Airport (ORD) is 45 minutes.
Time difference and current local times
There is no time difference between Champaign and Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 41 kg (91 pounds).
Champaign to Chicago flight map.
Frequent Flyer Miles Calculator
Champaign (CMI) → Chicago (ORD).