Air Miles Calculator

Distance between Spokane, WA (GEG) and Fort Smith, AR (FSM)

Flight distance from Spokane to Fort Smith (Spokane International Airport – Fort Smith Regional Airport) is 1462 miles / 2353 kilometers / 1270 nautical miles. Estimated flight time is 3 hours 16 minutes.

Driving distance from Spokane (GEG) to Fort Smith (FSM) is 1908 miles / 3070 kilometers and travel time by car is about 30 hours 53 minutes.

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

Shortest flight path between Spokane International Airport (GEG) and Fort Smith Regional Airport (FSM).

How far is Fort Smith from Spokane?

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

Vincenty's formula (applied above)
  • 1461.812 miles
  • 2352.559 kilometers
  • 1270.280 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
  • 1459.897 miles
  • 2349.477 kilometers
  • 1268.616 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 Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″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

The time difference between Spokane and Fort Smith is 2 hours. Fort Smith is 2 hours ahead of Spokane.

Time Difference

Spokane, WA

 PST

Fort Smith, AR

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 177 kg (390 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Fort Smith (FSM).

Distance:
1462
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1462

Round trip?