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How far is Fort Smith, AR, from Denver, CO?

The distance between Denver (Denver International Airport) and Fort Smith (Fort Smith Regional Airport) is 645 miles / 1038 kilometers / 561 nautical miles.

The driving distance from Denver (DEN) to Fort Smith (FSM) is 809 miles / 1302 kilometers, and travel time by car is about 13 hours 59 minutes.

Denver International Airport – Fort Smith Regional Airport

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645
Miles
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1038
Kilometers
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561
Nautical miles

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Distance from Denver to Fort Smith

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

Vincenty's formula (applied above)
  • 645.281 miles
  • 1038.479 kilometers
  • 560.734 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
  • 644.394 miles
  • 1037.052 kilometers
  • 559.963 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 Denver to Fort Smith?

The estimated flight time from Denver International Airport to Fort Smith Regional Airport is 1 hour and 43 minutes.

Flight carbon footprint between Denver International Airport (DEN) and Fort Smith Regional Airport (FSM)

On average, flying from Denver to Fort Smith generates about 118 kg of CO2 per passenger, and 118 kilograms equals 261 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Denver International Airport (DEN) and Fort Smith Regional Airport (FSM).

Airport information

Origin Denver International Airport
City: Denver, CO
Country: United States Flag of United States
IATA Code: DEN
ICAO Code: KDEN
Coordinates: 39°51′42″N, 104°40′22″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