How far is Fort Smith from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Fort Smith (Fort Smith Airport) is 867 miles / 1396 kilometers / 754 nautical miles.
The driving distance from Great Falls (GTF) to Fort Smith (YSM) is 1012 miles / 1629 kilometers, and travel time by car is about 24 hours 44 minutes.
Great Falls International Airport – Fort Smith 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)- 867.454 miles
- 1396.031 kilometers
- 753.797 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- 866.642 miles
- 1394.725 kilometers
- 753.091 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 Airport is 2 hours and 8 minutes.
What is the time difference between Great Falls and Fort Smith?
There is no time difference between Great Falls and Fort Smith.
Flight carbon footprint between Great Falls International Airport (GTF) and Fort Smith Airport (YSM)
On average, flying from Great Falls to Fort Smith generates about 141 kg of CO2 per passenger, and 141 kilograms equals 311 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 Airport (YSM).
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 Airport |
|---|---|
| City: | Fort Smith |
| Country: | Canada  |
| IATA Code: | YSM |
| ICAO Code: | CYSM |
| Coordinates: | 60°1′13″N, 111°57′43″W |