How far is International Falls, MN, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and International Falls (Falls International Airport) is 834 miles / 1343 kilometers / 725 nautical miles.
The driving distance from Great Falls (GTF) to International Falls (INL) is 1015 miles / 1633 kilometers, and travel time by car is about 18 hours 58 minutes.
Great Falls International Airport – Falls International Airport
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Distance from Great Falls to International Falls
There are several ways to calculate the distance from Great Falls to International Falls. Here are two standard methods:
Vincenty's formula (applied above)- 834.203 miles
- 1342.519 kilometers
- 724.902 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- 831.748 miles
- 1338.568 kilometers
- 722.769 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 International Falls?
The estimated flight time from Great Falls International Airport to Falls International Airport is 2 hours and 4 minutes.
What is the time difference between Great Falls and International Falls?
Flight carbon footprint between Great Falls International Airport (GTF) and Falls International Airport (INL)
On average, flying from Great Falls to International Falls generates about 138 kg of CO2 per passenger, and 138 kilograms equals 304 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 International Falls
See the map of the shortest flight path between Great Falls International Airport (GTF) and Falls International Airport (INL).
Airport information
| Origin | 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 |
| Destination | Falls International Airport |
|---|---|
| City: | International Falls, MN |
| Country: | United States |
| IATA Code: | INL |
| ICAO Code: | KINL |
| Coordinates: | 48°33′58″N, 93°24′11″W |