How far is Fort Smith, AR, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Fort Smith (Fort Smith Regional Airport) is 1213 miles / 1952 kilometers / 1054 nautical miles.
The driving distance from Great Falls (GTF) to Fort Smith (FSM) is 1583 miles / 2547 kilometers, and travel time by car is about 28 hours 37 minutes.
Great Falls International Airport – Fort Smith Regional Airport
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Distance from Great Falls to Fort Smith
There are several ways to calculate the distance from Great Falls to Fort Smith. 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 Great Falls to Fort Smith?
The estimated flight time from Great Falls International Airport to Fort Smith Regional Airport is 2 hours and 47 minutes.
What is the time difference between Great Falls and Fort Smith?
Flight carbon footprint between Great Falls International Airport (GTF) and Fort Smith Regional Airport (FSM)
On average, flying from Great Falls to Fort Smith 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 Great Falls to Fort Smith
See the map of the shortest flight path between Great Falls International Airport (GTF) and Fort Smith Regional Airport (FSM).
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 | 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 |