Map of flight path and driving directions from Redmond to Fort Smith.
Shortest flight path between Roberts Field (RDM) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Redmond?
There are several ways to calculate distances between Redmond and Fort Smith. Here are two common methods:Vincenty's formula (applied above)
- 1543.423 miles
- 2483.898 kilometers
- 1341.198 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
- 1540.562 miles
- 2479.295 kilometers
- 1338.712 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
The time difference between Redmond and Fort Smith is 2 hours. Fort Smith is 2 hours ahead of Redmond.
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 182 kg (402 pounds).
Frequent Flyer Miles Calculator
Redmond (RDM) → Fort Smith (FSM).