How far is Great Falls, MT, from Fort Smith?
The distance between Fort Smith (Fort Smith Airport) and Great Falls (Great Falls International Airport) is 867 miles / 1396 kilometers / 754 nautical miles.
The driving distance from Fort Smith (YSM) to Great Falls (GTF) is 1015 miles / 1633 kilometers, and travel time by car is about 24 hours 49 minutes.
Fort Smith 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)- 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 Fort Smith to Great Falls?
The estimated flight time from Fort Smith Airport to Great Falls International Airport is 2 hours and 8 minutes.
What is the time difference between Fort Smith and Great Falls?
There is no time difference between Fort Smith and Great Falls.
Flight carbon footprint between Fort Smith Airport (YSM) and Great Falls International Airport (GTF)
On average, flying from Fort Smith to Great Falls 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 Fort Smith to Great Falls
See the map of the shortest flight path between Fort Smith Airport (YSM) and Great Falls International Airport (GTF).
Airport information
| Origin | Fort Smith Airport |
|---|---|
| City: | Fort Smith |
| Country: | Canada  |
| IATA Code: | YSM |
| ICAO Code: | CYSM |
| Coordinates: | 60°1′13″N, 111°57′43″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 |