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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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1213
Miles
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1952
Kilometers
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1054
Nautical miles

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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.

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 Flag of 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 Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W