# 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
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
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.

PDT

CDT

## 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?