Air Miles Calculator

Distance between Wichita Falls, TX (SPS) and Fort Smith, AR (FSM)

Flight distance from Wichita Falls to Fort Smith (Wichita Falls Regional Airport – Fort Smith Regional Airport) is 253 miles / 407 kilometers / 219 nautical miles. Estimated flight time is 58 minutes.

Driving distance from Wichita Falls (SPS) to Fort Smith (FSM) is 324 miles / 521 kilometers and travel time by car is about 6 hours 11 minutes.

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).

Airport information


A Wichita Falls Regional Airport
City: Wichita Falls, TX
Country: United States Flag of United States
IATA Code: SPS
ICAO Code: KSPS
Coordinates: 33°59′19″N, 98°29′30″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 Wichita Falls and Fort Smith.

Time Difference

Wichita Falls, TX

 CDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 62 kg (137 pounds).

Frequent Flyer Miles Calculator

Wichita Falls (SPS) → Fort Smith (FSM).

Distance:
253
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
253

Round trip?