Miles between Fort Smith, AR and Sioux Falls, SD

There are
657 mi
from Fort Smith, AR to Sioux Falls, SD

That's the driving distance. It would take 11 hours 49 mins to go from Fort Smith, Arkansas to Sioux Falls, South Dakota.

The flight distance (direct flight from Fort Smith, AR to Sioux Falls, SD) is 577.22 mi.

657 mi = 1,057.55 kms