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How far is Fort Smith, AR, from Knoxville, TN?

The distance between Knoxville (Knoxville McGhee Tyson Airport) and Fort Smith (Fort Smith Regional Airport) is 585 miles / 941 kilometers / 508 nautical miles.

The driving distance from Knoxville (TYS) to Fort Smith (FSM) is 682 miles / 1097 kilometers, and travel time by car is about 12 hours 17 minutes.

Knoxville McGhee Tyson Airport – Fort Smith Regional Airport

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585
Miles
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941
Kilometers
Distance arrow
508
Nautical miles

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Distance from Knoxville to Fort Smith

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

Vincenty's formula (applied above)
  • 584.922 miles
  • 941.341 kilometers
  • 508.283 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
  • 583.614 miles
  • 939.236 kilometers
  • 507.147 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 Knoxville to Fort Smith?

The estimated flight time from Knoxville McGhee Tyson Airport to Fort Smith Regional Airport is 1 hour and 36 minutes.

Flight carbon footprint between Knoxville McGhee Tyson Airport (TYS) and Fort Smith Regional Airport (FSM)

On average, flying from Knoxville to Fort Smith generates about 111 kg of CO2 per passenger, and 111 kilograms equals 244 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Knoxville to Fort Smith

See the map of the shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Fort Smith Regional Airport (FSM).

Airport information

Origin Knoxville McGhee Tyson Airport
City: Knoxville, TN
Country: United States Flag of United States
IATA Code: TYS
ICAO Code: KTYS
Coordinates: 35°48′39″N, 83°59′38″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