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How far is Great Falls, MT, from Augusta, ME?

The distance between Augusta (Augusta State Airport) and Great Falls (Great Falls International Airport) is 1992 miles / 3206 kilometers / 1731 nautical miles.

The driving distance from Augusta (AUG) to Great Falls (GTF) is 2426 miles / 3905 kilometers, and travel time by car is about 46 hours 16 minutes.

Augusta State Airport – Great Falls International Airport

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1992
Miles
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3206
Kilometers
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1731
Nautical miles

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Distance from Augusta to Great Falls

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

Vincenty's formula (applied above)
  • 1992.379 miles
  • 3206.423 kilometers
  • 1731.330 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
  • 1986.795 miles
  • 3197.437 kilometers
  • 1726.478 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 Augusta to Great Falls?

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

Flight carbon footprint between Augusta State Airport (AUG) and Great Falls International Airport (GTF)

On average, flying from Augusta to Great Falls generates about 217 kg of CO2 per passenger, and 217 kilograms equals 478 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Augusta State Airport (AUG) and Great Falls International Airport (GTF).

Airport information

Origin Augusta State Airport
City: Augusta, ME
Country: United States Flag of United States
IATA Code: AUG
ICAO Code: KAUG
Coordinates: 44°19′14″N, 69°47′50″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