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How far is Adak Island, AK, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Adak Island (Adak Airport) is 2844 miles / 4576 kilometers / 2471 nautical miles.

Great Falls International Airport – Adak Airport

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2844
Miles
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4576
Kilometers
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2471
Nautical miles

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Distance from Great Falls to Adak Island

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

Vincenty's formula (applied above)
  • 2843.589 miles
  • 4576.313 kilometers
  • 2471.011 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
  • 2834.990 miles
  • 4562.474 kilometers
  • 2463.539 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 Great Falls to Adak Island?

The estimated flight time from Great Falls International Airport to Adak Airport is 5 hours and 53 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Adak Airport (ADK)

On average, flying from Great Falls to Adak Island generates about 316 kg of CO2 per passenger, and 316 kilograms equals 696 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Great Falls to Adak Island

See the map of the shortest flight path between Great Falls International Airport (GTF) and Adak Airport (ADK).

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″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