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How far is Fort Smith, AR, from Klamath Falls, OR?

The distance between Klamath Falls (Crater Lake–Klamath Regional Airport) and Fort Smith (Fort Smith Regional Airport) is 1544 miles / 2484 kilometers / 1341 nautical miles.

The driving distance from Klamath Falls (LMT) to Fort Smith (FSM) is 2097 miles / 3374 kilometers, and travel time by car is about 36 hours 19 minutes.

Crater Lake–Klamath Regional Airport – Fort Smith Regional Airport

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1544
Miles
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2484
Kilometers
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1341
Nautical miles

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Distance from Klamath Falls to Fort Smith

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

Vincenty's formula (applied above)
  • 1543.530 miles
  • 2484.070 kilometers
  • 1341.291 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
  • 1540.372 miles
  • 2478.989 kilometers
  • 1338.547 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 Klamath Falls to Fort Smith?

The estimated flight time from Crater Lake–Klamath Regional Airport to Fort Smith Regional Airport is 3 hours and 25 minutes.

Flight carbon footprint between Crater Lake–Klamath Regional Airport (LMT) and Fort Smith Regional Airport (FSM)

On average, flying from Klamath Falls to Fort Smith generates about 182 kg of CO2 per passenger, and 182 kilograms equals 402 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Crater Lake–Klamath Regional Airport (LMT) and Fort Smith Regional Airport (FSM).

Airport information

Origin Crater Lake–Klamath Regional Airport
City: Klamath Falls, OR
Country: United States Flag of United States
IATA Code: LMT
ICAO Code: KLMT
Coordinates: 42°9′21″N, 121°43′58″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