Air Miles Calculator logo

How far is Fort Smith, AR, from Lexington, KY?

The distance between Lexington (Lexington Blue Grass Airport) and Fort Smith (Fort Smith Regional Airport) is 573 miles / 922 kilometers / 498 nautical miles.

The driving distance from Lexington (LEX) to Fort Smith (FSM) is 682 miles / 1098 kilometers, and travel time by car is about 12 hours 35 minutes.

Lexington Blue Grass Airport – Fort Smith Regional Airport

Distance arrow
573
Miles
Distance arrow
922
Kilometers
Distance arrow
498
Nautical miles

Search flights

Distance from Lexington to Fort Smith

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

Vincenty's formula (applied above)
  • 572.838 miles
  • 921.893 kilometers
  • 497.782 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
  • 571.776 miles
  • 920.184 kilometers
  • 496.860 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 Lexington to Fort Smith?

The estimated flight time from Lexington Blue Grass Airport to Fort Smith Regional Airport is 1 hour and 35 minutes.

Flight carbon footprint between Lexington Blue Grass Airport (LEX) and Fort Smith Regional Airport (FSM)

On average, flying from Lexington to Fort Smith generates about 109 kg of CO2 per passenger, and 109 kilograms equals 241 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Lexington Blue Grass Airport (LEX) and Fort Smith Regional Airport (FSM).

Airport information

Origin Lexington Blue Grass Airport
City: Lexington, KY
Country: United States Flag of United States
IATA Code: LEX
ICAO Code: KLEX
Coordinates: 38°2′11″N, 84°36′21″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