Air Miles Calculator

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

Flight distance from Colorado Springs to Washington D.C. (Colorado Springs Airport – Washington Dulles International Airport) is 1464 miles / 2355 kilometers / 1272 nautical miles. Estimated flight time is 3 hours 16 minutes.

Driving distance from Colorado Springs (COS) to Washington D.C. (IAD) is 1639 miles / 2637 kilometers and travel time by car is about 28 hours 20 minutes.

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

Shortest flight path between Colorado Springs Airport (COS) and Washington Dulles International Airport (IAD).

How far is Washington D.C. from Colorado Springs?

There are several ways to calculate distances between Colorado Springs and Washington D.C.. Here are two common 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 – the shortest distance between two points).

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

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, CO

 MDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 177 kg (391 pounds).

Frequent Flyer Miles Calculator

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

Distance:
1464
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1464

Round trip?