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How far is Kalispell, MT, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Kalispell (Glacier Park International Airport) is 2255 miles / 3629 kilometers / 1959 nautical miles.

Unalaska Airport – Glacier Park International Airport

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2255
Miles
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3629
Kilometers
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1959
Nautical miles

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Distance from Unalaska to Kalispell

There are several ways to calculate the distance from Unalaska to Kalispell. Here are two standard methods:

Vincenty's formula (applied above)
  • 2254.739 miles
  • 3628.650 kilometers
  • 1959.314 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
  • 2247.836 miles
  • 3617.541 kilometers
  • 1953.316 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 Unalaska to Kalispell?

The estimated flight time from Unalaska Airport to Glacier Park International Airport is 4 hours and 46 minutes.

Flight carbon footprint between Unalaska Airport (DUT) and Glacier Park International Airport (FCA)

On average, flying from Unalaska to Kalispell generates about 247 kg of CO2 per passenger, and 247 kilograms equals 544 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Kalispell

See the map of the shortest flight path between Unalaska Airport (DUT) and Glacier Park International Airport (FCA).

Airport information

Origin Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W
Destination Glacier Park International Airport
City: Kalispell, MT
Country: United States Flag of United States
IATA Code: FCA
ICAO Code: KGPI
Coordinates: 48°18′37″N, 114°15′21″W