Air Miles Calculator

Distance between Washington D.C. (IAD) and Champaign, IL (CMI)

Distance from Washington D.C. to Champaign (University of Illinois Willard Airport – Washington Dulles International Airport) is 583 miles / 938 kilometers / 507 nautical miles.

Calculations with different 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).

Flight duration

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..

Time Difference

Washington D.C.
Champaign

Washington D.C.

 EDT

Champaign, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 101 kg (222 pounds).

Airport information


A Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

B University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W

Map

Washington D.C. to Champaign flight map.

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Champaign (CMI).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
583
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
583

Round trip?