Air Miles Calculator logo

How far is Washington D.C. from Champaign, IL?

The distance between Champaign (University of Illinois Willard Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 606 miles / 976 kilometers / 527 nautical miles.

The driving distance from Champaign (CMI) to Washington D.C. (DCA) is 701 miles / 1128 kilometers, and travel time by car is about 13 hours 34 minutes.

University of Illinois Willard Airport – Ronald Reagan Washington National Airport

Distance arrow
606
Miles
Distance arrow
976
Kilometers
Distance arrow
527
Nautical miles

Search flights

Distance from Champaign to Washington D.C.

There are several ways to calculate the distance from Champaign to Washington D.C.. Here are two standard methods:

Vincenty's formula (applied above)
  • 606.358 miles
  • 975.839 kilometers
  • 526.911 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 604.906 miles
  • 973.502 kilometers
  • 525.649 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).

How long does it take to fly from Champaign to Washington D.C.?

The estimated flight time from University of Illinois Willard Airport to Ronald Reagan Washington National Airport is 1 hour and 38 minutes.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Ronald Reagan Washington National Airport (DCA)

On average, flying from Champaign to Washington D.C. generates about 114 kg of CO2 per passenger, and 114 kilograms equals 250 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Champaign to Washington D.C.

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Ronald Reagan Washington National Airport (DCA).

Airport information

Origin 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
Destination Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W