Calculations with different methods
- 1566.858 miles
- 2521.614 kilometers
- 1361.563 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
- 1563.133 miles
- 2515.619 kilometers
- 1358.326 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from San Luis Valley Regional Airport (ALS) to Ronald Reagan Washington National Airport (DCA) is 3 hours 27 minutes.
Time difference and current local times
The time difference between Alamosa and Washington D.C. is 2 hours. Washington D.C. is 2 hours ahead of Alamosa.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 189 kg (417 pounds).
Alamosa to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Alamosa (ALS) → Washington D.C. (DCA).