Map of flight path and driving directions from Washington D.C. to Champaign.
Shortest flight path between Washington Dulles International Airport (IAD) and University of Illinois Willard Airport (CMI).
How far is Champaign from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
|A||Washington Dulles International Airport|
|B||University of Illinois Willard Airport|
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 111 kg (244 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Champaign (CMI).