How far is Great Falls, MT, from Montgomery, AL?
The distance between Montgomery (Montgomery Regional Airport) and Great Falls (Great Falls International Airport) is 1678 miles / 2700 kilometers / 1458 nautical miles.
The driving distance from Montgomery (MGM) to Great Falls (GTF) is 2022 miles / 3254 kilometers, and travel time by car is about 38 hours 37 minutes.
Montgomery Regional Airport – Great Falls International Airport
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Distance from Montgomery to Great Falls
There are several ways to calculate the distance from Montgomery to Great Falls. 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 Montgomery to Great Falls?
The estimated flight time from Montgomery Regional Airport to Great Falls International Airport is 3 hours and 40 minutes.
What is the time difference between Montgomery and Great Falls?
Flight carbon footprint between Montgomery Regional Airport (MGM) and Great Falls International Airport (GTF)
On average, flying from Montgomery to Great Falls 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 Montgomery to Great Falls
See the map of the shortest flight path between Montgomery Regional Airport (MGM) and Great Falls International Airport (GTF).
Airport information
| Origin | Montgomery Regional Airport |
|---|---|
| City: | Montgomery, AL |
| Country: | United States  |
| IATA Code: | MGM |
| ICAO Code: | KMGM |
| Coordinates: | 32°18′2″N, 86°23′38″W |
| Destination | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |