Air Miles Calculator

Distance between Redmond, OR (RDM) and Fort Smith, AR (FSM)

Flight distance from Redmond to Fort Smith (Roberts Field – Fort Smith Regional Airport) is 1543 miles / 2484 kilometers / 1341 nautical miles. Estimated flight time is 3 hours 25 minutes.

Driving distance from Redmond (RDM) to Fort Smith (FSM) is 1969 miles / 3168 kilometers and travel time by car is about 32 hours 59 minutes.

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).

Airport information


A Roberts Field
City: Redmond, OR
Country: United States Flag of United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″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 Redmond and Fort Smith is 2 hours. Fort Smith is 2 hours ahead of Redmond.

Time Difference

Redmond, OR

 PST

Fort Smith, AR

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 182 kg (402 pounds).

Frequent Flyer Miles Calculator

Redmond (RDM) → Fort Smith (FSM).

Distance:
1543
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1543

Round trip?