How far is Great Falls, MT, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Great Falls (Great Falls International Airport) is 1213 miles / 1952 kilometers / 1054 nautical miles.
The driving distance from Fort Smith (FSM) to Great Falls (GTF) is 1583 miles / 2547 kilometers, and travel time by car is about 28 hours 37 minutes.
Fort Smith Regional Airport – Great Falls International Airport
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Distance from Fort Smith to Great Falls
There are several ways to calculate the distance from Fort Smith to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1212.700 miles
- 1951.652 kilometers
- 1053.808 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- 1211.766 miles
- 1950.148 kilometers
- 1052.995 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 Fort Smith to Great Falls?
The estimated flight time from Fort Smith Regional Airport to Great Falls International Airport is 2 hours and 47 minutes.
What is the time difference between Fort Smith and Great Falls?
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Great Falls International Airport (GTF)
On average, flying from Fort Smith to Great Falls generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Smith to Great Falls
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Great Falls International Airport (GTF).
Airport information
| Origin | Fort Smith Regional Airport |
|---|---|
| City: | Fort Smith, AR |
| Country: | United States  |
| IATA Code: | FSM |
| ICAO Code: | KFSM |
| Coordinates: | 35°20′11″N, 94°22′2″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 |