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How far is Montgomery, AL, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Montgomery (Montgomery Regional Airport) is 1678 miles / 2700 kilometers / 1458 nautical miles.

The driving distance from Great Falls (GTF) to Montgomery (MGM) is 2024 miles / 3257 kilometers, and travel time by car is about 38 hours 37 minutes.

Great Falls International Airport – Montgomery Regional Airport

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1678
Miles
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2700
Kilometers
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1458
Nautical miles

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Distance from Great Falls to Montgomery

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

Vincenty's formula (applied above)
  • 1677.918 miles
  • 2700.348 kilometers
  • 1458.071 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
  • 1676.331 miles
  • 2697.793 kilometers
  • 1456.692 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 Montgomery?

The estimated flight time from Great Falls International Airport to Montgomery Regional Airport is 3 hours and 40 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Montgomery Regional Airport (MGM)

On average, flying from Great Falls to Montgomery generates about 191 kg of CO2 per passenger, and 191 kilograms equals 421 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 Montgomery

See the map of the shortest flight path between Great Falls International Airport (GTF) and Montgomery Regional Airport (MGM).

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 Montgomery Regional Airport
City: Montgomery, AL
Country: United States Flag of United States
IATA Code: MGM
ICAO Code: KMGM
Coordinates: 32°18′2″N, 86°23′38″W