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

The distance between Seattle (Seattle–Tacoma International Airport) and Alamosa (San Luis Valley Regional Airport) is 1084 miles / 1745 kilometers / 942 nautical miles.

The driving distance from Seattle (SEA) to Alamosa (ALS) is 1369 miles / 2203 kilometers, and travel time by car is about 25 hours 50 minutes.

Seattle–Tacoma International Airport – San Luis Valley Regional Airport

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1084
Miles
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1745
Kilometers
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942
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)
  • 1084.332 miles
  • 1745.063 kilometers
  • 942.259 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
  • 1083.086 miles
  • 1743.058 kilometers
  • 941.176 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–Tacoma International Airport to San Luis Valley Regional Airport is 2 hours and 33 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) 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–Tacoma International Airport (SEA) and San Luis Valley Regional Airport (ALS).

Airport information

Origin Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″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