Miles between Fort Smith, AR and Green River, WY

There are
1,153 mi
from Fort Smith, AR to Green River, WY

That's the driving distance. It would take 19 hours 43 mins to go from Fort Smith, Arkansas to Green River, Wyoming.

The flight distance (direct flight from Fort Smith, AR to Green River, WY) is 917.28 mi.

1,153 mi = 1.61 kms