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

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

The driving distance from Alamosa (ALS) to Seattle (SEA) is 1368 miles / 2202 kilometers, and travel time by car is about 25 hours 50 minutes.

San Luis Valley Regional Airport – Seattle–Tacoma International 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 Alamosa to Seattle

There are several ways to calculate the distance from Alamosa to Seattle. 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 Alamosa to Seattle?

The estimated flight time from San Luis Valley Regional Airport to Seattle–Tacoma International Airport is 2 hours and 33 minutes.

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

On average, flying from Alamosa to Seattle 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 Alamosa to Seattle

See the map of the shortest flight path between San Luis Valley Regional Airport (ALS) and Seattle–Tacoma International Airport (SEA).

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 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