Air Miles Calculator logo

How far is Fort Smith, AR, from Key West, FL?

The distance between Key West (Key West International Airport) and Fort Smith (Fort Smith Regional Airport) is 1058 miles / 1703 kilometers / 919 nautical miles.

The driving distance from Key West (EYW) to Fort Smith (FSM) is 1444 miles / 2324 kilometers, and travel time by car is about 27 hours 33 minutes.

Key West International Airport – Fort Smith Regional Airport

Distance arrow
1058
Miles
Distance arrow
1703
Kilometers
Distance arrow
919
Nautical miles

Search flights

Distance from Key West to Fort Smith

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

Vincenty's formula (applied above)
  • 1058.034 miles
  • 1702.741 kilometers
  • 919.407 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
  • 1058.597 miles
  • 1703.648 kilometers
  • 919.896 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 Key West to Fort Smith?

The estimated flight time from Key West International Airport to Fort Smith Regional Airport is 2 hours and 30 minutes.

Flight carbon footprint between Key West International Airport (EYW) and Fort Smith Regional Airport (FSM)

On average, flying from Key West to Fort Smith generates about 154 kg of CO2 per passenger, and 154 kilograms equals 340 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Key West to Fort Smith

See the map of the shortest flight path between Key West International Airport (EYW) and Fort Smith Regional Airport (FSM).

Airport information

Origin Key West International Airport
City: Key West, FL
Country: United States Flag of United States
IATA Code: EYW
ICAO Code: KEYW
Coordinates: 24°33′21″N, 81°45′34″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