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How far is Lewistown, MT, from Fort Smith, AR?

The distance between Fort Smith (Fort Smith Regional Airport) and Lewistown (Lewistown Municipal Airport) is 1124 miles / 1809 kilometers / 977 nautical miles.

The driving distance from Fort Smith (FSM) to Lewistown (LWT) is 1481 miles / 2384 kilometers, and travel time by car is about 26 hours 17 minutes.

Fort Smith Regional Airport – Lewistown Municipal Airport

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1124
Miles
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1809
Kilometers
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977
Nautical miles

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Distance from Fort Smith to Lewistown

There are several ways to calculate the distance from Fort Smith to Lewistown. Here are two standard methods:

Vincenty's formula (applied above)
  • 1124.327 miles
  • 1809.429 kilometers
  • 977.013 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
  • 1123.654 miles
  • 1808.346 kilometers
  • 976.429 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 Lewistown?

The estimated flight time from Fort Smith Regional Airport to Lewistown Municipal Airport is 2 hours and 37 minutes.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Lewistown Municipal Airport (LWT)

On average, flying from Fort Smith to Lewistown generates about 158 kg of CO2 per passenger, and 158 kilograms equals 348 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 Lewistown

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Lewistown Municipal Airport (LWT).

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 Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″W