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How far is Fort Smith, AR, from Twin Falls, ID?

The distance between Twin Falls (Magic Valley Regional Airport) and Fort Smith (Fort Smith Regional Airport) is 1187 miles / 1911 kilometers / 1032 nautical miles.

The driving distance from Twin Falls (TWF) to Fort Smith (FSM) is 1503 miles / 2419 kilometers, and travel time by car is about 25 hours 54 minutes.

Magic Valley Regional Airport – Fort Smith Regional Airport

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1187
Miles
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1911
Kilometers
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1032
Nautical miles

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Distance from Twin Falls to Fort Smith

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

Vincenty's formula (applied above)
  • 1187.259 miles
  • 1910.708 kilometers
  • 1031.700 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
  • 1185.201 miles
  • 1907.397 kilometers
  • 1029.912 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 Twin Falls to Fort Smith?

The estimated flight time from Magic Valley Regional Airport to Fort Smith Regional Airport is 2 hours and 44 minutes.

Flight carbon footprint between Magic Valley Regional Airport (TWF) and Fort Smith Regional Airport (FSM)

On average, flying from Twin Falls to Fort Smith generates about 161 kg of CO2 per passenger, and 161 kilograms equals 355 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Twin Falls to Fort Smith

See the map of the shortest flight path between Magic Valley Regional Airport (TWF) and Fort Smith Regional Airport (FSM).

Airport information

Origin Magic Valley Regional Airport
City: Twin Falls, ID
Country: United States Flag of United States
IATA Code: TWF
ICAO Code: KTWF
Coordinates: 42°28′54″N, 114°29′16″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