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How far is Watertown, SD, from Alamosa, CO?

The distance between Alamosa (San Luis Valley Regional Airport) and Watertown (Watertown Regional Airport) is 687 miles / 1105 kilometers / 597 nautical miles.

The driving distance from Alamosa (ALS) to Watertown (ATY) is 961 miles / 1547 kilometers, and travel time by car is about 17 hours 43 minutes.

San Luis Valley Regional Airport – Watertown Regional Airport

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687
Miles
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1105
Kilometers
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597
Nautical miles

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Distance from Alamosa to Watertown

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

Vincenty's formula (applied above)
  • 686.729 miles
  • 1105.183 kilometers
  • 596.751 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
  • 686.444 miles
  • 1104.725 kilometers
  • 596.504 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 Alamosa to Watertown?

The estimated flight time from San Luis Valley Regional Airport to Watertown Regional Airport is 1 hour and 48 minutes.

Flight carbon footprint between San Luis Valley Regional Airport (ALS) and Watertown Regional Airport (ATY)

On average, flying from Alamosa to Watertown generates about 123 kg of CO2 per passenger, and 123 kilograms equals 271 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Alamosa to Watertown

See the map of the shortest flight path between San Luis Valley Regional Airport (ALS) and Watertown Regional Airport (ATY).

Airport information

Origin 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
Destination Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W