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

Flight distance from Washington D.C. to Champaign (Washington Dulles International Airport – University of Illinois Willard Airport) is 583 miles / 938 kilometers / 507 nautical miles. Estimated flight time is 1 hour 36 minutes.

Driving distance from Washington D.C. (IAD) to Champaign (CMI) is 695 miles / 1119 kilometers and travel time by car is about 12 hours 36 minutes.

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).

Airport information

A Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″W

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

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..

EST

CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 111 kg (244 pounds).

Frequent Flyer Miles Calculator

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

Distance:
583
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
583

Round trip?