Map of flight path and driving directions from Huntsville to Fort Smith.
Shortest flight path between Huntsville International Airport (HSV) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Huntsville?
There are several ways to calculate distances between Huntsville and Fort Smith. Here are two common methods:Vincenty's formula (applied above)
- 433.313 miles
- 697.350 kilometers
- 376.539 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
- 432.377 miles
- 695.843 kilometers
- 375.725 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 Huntsville and Fort Smith.
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 89 kg (196 pounds).
Frequent Flyer Miles Calculator
Huntsville (HSV) → Fort Smith (FSM).