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

The distance between Great Falls (Great Falls International Airport) and Grayling (Grayling Airport) is 2131 miles / 3429 kilometers / 1852 nautical miles.

The driving distance from Great Falls (GTF) to Grayling (KGX) is 2862 miles / 4606 kilometers, and travel time by car is about 109 hours 50 minutes.

Great Falls International Airport – Grayling Airport

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2131
Miles
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3429
Kilometers
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1852
Nautical miles

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Distance from Great Falls to Grayling

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

Vincenty's formula (applied above)
  • 2130.921 miles
  • 3429.384 kilometers
  • 1851.719 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
  • 2124.968 miles
  • 3419.805 kilometers
  • 1846.547 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 Grayling?

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

Flight carbon footprint between Great Falls International Airport (GTF) and Grayling Airport (KGX)

On average, flying from Great Falls to Grayling 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 and driving directions from Great Falls to Grayling

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

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 Grayling Airport
City: Grayling, AK
Country: United States Flag of United States
IATA Code: KGX
ICAO Code: PAGX
Coordinates: 62°53′42″N, 160°3′58″W