Air Miles Calculator

Distance between Lafayette, LA (LFT) and Fort Smith, AR (FSM)

Flight distance from Lafayette to Fort Smith (Lafayette Regional Airport – Fort Smith Regional Airport) is 380 miles / 611 kilometers / 330 nautical miles. Estimated flight time is 1 hour 13 minutes.

Driving distance from Lafayette (LFT) to Fort Smith (FSM) is 510 miles / 821 kilometers and travel time by car is about 9 hours 5 minutes.

Map of flight path and driving directions from Lafayette to Fort Smith.

Shortest flight path between Lafayette Regional Airport (LFT) and Fort Smith Regional Airport (FSM).

How far is Fort Smith from Lafayette?

There are several ways to calculate distances between Lafayette and Fort Smith. Here are two common methods:

Vincenty's formula (applied above)
  • 379.736 miles
  • 611.126 kilometers
  • 329.982 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 380.505 miles
  • 612.363 kilometers
  • 330.650 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).

Airport information


A Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

B 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

Time difference and current local times

There is no time difference between Lafayette and Fort Smith.

Time Difference

Lafayette, LA

 CST

Fort Smith, AR

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 81 kg (178 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Fort Smith (FSM).

Distance:
380
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
380

Round trip?