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How far is Alamosa, CO, from Fort Hood, TX?

The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Alamosa (San Luis Valley Regional Airport) is 635 miles / 1022 kilometers / 552 nautical miles.

The driving distance from Fort Hood (GRK) to Alamosa (ALS) is 796 miles / 1281 kilometers, and travel time by car is about 14 hours 51 minutes.

Killeen–Fort Hood Regional Airport – San Luis Valley Regional Airport

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635
Miles
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1022
Kilometers
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552
Nautical miles

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Distance from Fort Hood to Alamosa

There are several ways to calculate the distance from Fort Hood to Alamosa. Here are two standard methods:

Vincenty's formula (applied above)
  • 635.349 miles
  • 1022.496 kilometers
  • 552.104 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
  • 635.360 miles
  • 1022.513 kilometers
  • 552.113 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 Fort Hood to Alamosa?

The estimated flight time from Killeen–Fort Hood Regional Airport to San Luis Valley Regional Airport is 1 hour and 42 minutes.

Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and San Luis Valley Regional Airport (ALS)

On average, flying from Fort Hood to Alamosa generates about 117 kg of CO2 per passenger, and 117 kilograms equals 258 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort Hood to Alamosa

See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and San Luis Valley Regional Airport (ALS).

Airport information

Origin Killeen–Fort Hood Regional Airport
City: Fort Hood, TX
Country: United States Flag of United States
IATA Code: GRK
ICAO Code: KGRK
Coordinates: 31°4′1″N, 97°49′44″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