Air Miles Calculator

Distance between Colorado Springs, CO (COS) and Washington D.C. (IAD)

Distance from Colorado Springs Airport to Washington Dulles International Airport is 1464 miles / 2355 kilometers / 1272 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1463.613 miles
  • 2355.457 kilometers
  • 1271.845 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
  • 1460.049 miles
  • 2349.721 kilometers
  • 1268.748 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 Colorado Springs Airport (COS) to Washington Dulles International Airport (IAD) is 3 hours 16 minutes.

Time difference and current local times

The time difference between Colorado Springs and Washington D.C. is 2 hours. Washington D.C. is 2 hours ahead of Colorado Springs.

Time Difference

Colorado Springs
Washington D.C.

Colorado Springs, CO

 MST

Washington D.C.

 EST

Airport information


A Colorado Springs Airport
City: Colorado Springs, CO
Country: United States Flag of United States
IATA Code: COS
ICAO Code: KCOS
Coordinates: 38°48′20″N, 104°42′3″W

B 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

Map

Flight map from Colorado Springs to Washington D.C..

Frequent Flyer Miles Calculator

Colorado Springs (COS) → Washington D.C. (IAD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1464
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1464

Round trip?