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

The distance between McGrath (McGrath Airport) and Great Falls (Great Falls International Airport) is 1993 miles / 3207 kilometers / 1731 nautical miles.

The driving distance from McGrath (MCG) to Great Falls (GTF) is 2499 miles / 4022 kilometers, and travel time by car is about 51 hours 15 minutes.

McGrath Airport – Great Falls International Airport

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1993
Miles
Distance arrow
3207
Kilometers
Distance arrow
1731
Nautical miles

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Distance from McGrath to Great Falls

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

Vincenty's formula (applied above)
  • 1992.568 miles
  • 3206.727 kilometers
  • 1731.494 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
  • 1987.162 miles
  • 3198.028 kilometers
  • 1726.797 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 McGrath to Great Falls?

The estimated flight time from McGrath Airport to Great Falls International Airport is 4 hours and 16 minutes.

Flight carbon footprint between McGrath Airport (MCG) and Great Falls International Airport (GTF)

On average, flying from McGrath to Great Falls generates about 217 kg of CO2 per passenger, and 217 kilograms equals 479 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from McGrath to Great Falls

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

Airport information

Origin McGrath Airport
City: McGrath, AK
Country: United States Flag of United States
IATA Code: MCG
ICAO Code: PAMC
Coordinates: 62°57′10″N, 155°36′21″W
Destination 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