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How far is Alamosa, CO, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Alamosa (San Luis Valley Regional Airport) is 1544 miles / 2485 kilometers / 1342 nautical miles.

The driving distance from Washington D.C. (IAD) to Alamosa (ALS) is 1796 miles / 2891 kilometers, and travel time by car is about 33 hours 24 minutes.

Washington Dulles International Airport – San Luis Valley Regional Airport

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1544
Miles
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2485
Kilometers
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1342
Nautical miles

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Distance from Washington D.C. to Alamosa

There are several ways to calculate the distance from Washington D.C. to Alamosa. Here are two standard methods:

Vincenty's formula (applied above)
  • 1543.826 miles
  • 2484.547 kilometers
  • 1341.548 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1540.156 miles
  • 2478.641 kilometers
  • 1338.359 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).

How long does it take to fly from Washington D.C. to Alamosa?

The estimated flight time from Washington Dulles International Airport to San Luis Valley Regional Airport is 3 hours and 25 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and San Luis Valley Regional Airport (ALS)

On average, flying from Washington D.C. to Alamosa generates about 182 kg of CO2 per passenger, and 182 kilograms equals 402 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and San Luis Valley Regional Airport (ALS).

Airport information

Origin 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
Destination San Luis Valley Regional Airport
City: Alamosa, CO
Country: United States Flag of United States
IATA Code: ALS
ICAO Code: KALS
Coordinates: 37°26′5″N, 105°52′1″W