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How far is Adak Island, AK, from Kalispell, MT?

The distance between Kalispell (Glacier Park International Airport) and Adak Island (Adak Airport) is 2699 miles / 4344 kilometers / 2345 nautical miles.

Glacier Park International Airport – Adak Airport

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2699
Miles
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4344
Kilometers
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2345
Nautical miles

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Distance from Kalispell to Adak Island

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

Vincenty's formula (applied above)
  • 2699.022 miles
  • 4343.656 kilometers
  • 2345.386 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
  • 2690.767 miles
  • 4330.370 kilometers
  • 2338.213 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 Kalispell to Adak Island?

The estimated flight time from Glacier Park International Airport to Adak Airport is 5 hours and 36 minutes.

Flight carbon footprint between Glacier Park International Airport (FCA) and Adak Airport (ADK)

On average, flying from Kalispell to Adak Island generates about 299 kg of CO2 per passenger, and 299 kilograms equals 658 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Kalispell to Adak Island

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

Airport information

Origin 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
Destination Adak Airport
City: Adak Island, AK
Country: United States Flag of United States
IATA Code: ADK
ICAO Code: PADK
Coordinates: 51°52′40″N, 176°38′45″W