Calculations with different methods
- 583.016 miles
- 938.273 kilometers
- 506.627 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
- 581.614 miles
- 936.017 kilometers
- 505.409 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Washington Dulles International Airport (IAD) to University of Illinois Willard Airport (CMI) is 1 hour 36 minutes.
Time difference and current local times
The time difference between Washington D.C. and Champaign is 1 hour. Champaign is 1 hour behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 101 kg (222 pounds).
|A||Washington Dulles International Airport|
|B||University of Illinois Willard Airport|
Washington D.C. to Champaign flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Champaign (CMI).