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).
Time difference and current local times
There is no time difference between Lafayette and Fort Smith.
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 81 kg (178 pounds).
Frequent Flyer Miles Calculator
Lafayette (LFT) → Fort Smith (FSM).