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How far is Alamosa, CO, from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Alamosa (San Luis Valley Regional Airport) is 1087 miles / 1750 kilometers / 945 nautical miles.

The driving distance from Seattle (BFI) to Alamosa (ALS) is 1367 miles / 2200 kilometers, and travel time by car is about 25 hours 48 minutes.

Seattle Boeing Field – San Luis Valley Regional Airport

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1087
Miles
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1750
Kilometers
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945
Nautical miles

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Distance from Seattle to Alamosa

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

Vincenty's formula (applied above)
  • 1087.168 miles
  • 1749.627 kilometers
  • 944.723 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
  • 1085.931 miles
  • 1747.637 kilometers
  • 943.648 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 Seattle to Alamosa?

The estimated flight time from Seattle Boeing Field to San Luis Valley Regional Airport is 2 hours and 33 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and San Luis Valley Regional Airport (ALS)

On average, flying from Seattle to Alamosa generates about 156 kg of CO2 per passenger, and 156 kilograms equals 344 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Seattle to Alamosa

See the map of the shortest flight path between Seattle Boeing Field (BFI) and San Luis Valley Regional Airport (ALS).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″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