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

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

The driving distance from Lewistown (LWT) to Fort Smith (FSM) is 1481 miles / 2384 kilometers, and travel time by car is about 26 hours 20 minutes.

Lewistown Municipal Airport – Fort Smith Regional 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 Lewistown to Fort Smith

There are several ways to calculate the distance from Lewistown to Fort Smith. 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 Lewistown to Fort Smith?

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

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

On average, flying from Lewistown to Fort Smith 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 Lewistown to Fort Smith

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

Airport information

Origin 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
Destination 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