Miles between Fort Smith, AR and Frankfort, IL

There are
688 mi
from Fort Smith, AR to Frankfort, IL

That's the driving distance. It would take 12 hours 39 mins to go from Fort Smith, Arkansas to Frankfort, Illinois.

The flight distance (direct flight from Fort Smith, AR to Frankfort, IL) is 550.87 mi.

688 mi = 1,107.63 kms