Map of flight path and driving directions from Wichita Falls to Fort Smith.
Shortest flight path between Wichita Falls Regional Airport (SPS) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Wichita Falls?
There are several ways to calculate distances between Wichita Falls and Fort Smith. Here are two common methods:Vincenty's formula (applied above)
- 252.590 miles
- 406.505 kilometers
- 219.495 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
- 252.190 miles
- 405.861 kilometers
- 219.147 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 Wichita Falls and Fort Smith.
Wichita Falls, TX
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 62 kg (137 pounds).
Frequent Flyer Miles Calculator
Wichita Falls (SPS) → Fort Smith (FSM).