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Colorado Springs–Washington D.C. | COS–IAD
Calculations with different methods
- 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).
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.
Colorado Springs, CO
Colorado Springs to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Colorado Springs (COS) → Washington D.C. (IAD).