Air Miles Calculator

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

Distance from Washington Dulles International Airport to Colorado Springs 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 Washington Dulles International Airport (IAD) to Colorado Springs Airport (COS) is 3 hours 16 minutes.

Time difference and current local times

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

Time Difference

Washington D.C.
Colorado Springs

Washington D.C.

 EST

Colorado Springs, CO

 MST

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 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

Map

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

Frequent Flyer Miles Calculator

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

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?