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How far is Kalskag, AK, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Kalskag (Kalskag Airport) is 2131 miles / 3429 kilometers / 1851 nautical miles.

Great Falls International Airport – Kalskag Airport

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2131
Miles
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3429
Kilometers
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1851
Nautical miles

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Distance from Great Falls to Kalskag

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

Vincenty's formula (applied above)
  • 2130.638 miles
  • 3428.929 kilometers
  • 1851.473 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
  • 2124.590 miles
  • 3419.197 kilometers
  • 1846.219 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 Kalskag?

The estimated flight time from Great Falls International Airport to Kalskag Airport is 4 hours and 32 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Kalskag Airport (KLG)

On average, flying from Great Falls to Kalskag generates about 232 kg of CO2 per passenger, and 232 kilograms equals 512 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Great Falls to Kalskag

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

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 Kalskag Airport
City: Kalskag, AK
Country: United States Flag of United States
IATA Code: KLG
ICAO Code: PALG
Coordinates: 61°32′10″N, 160°20′27″W