Miles between Fort Smith, AR and Decatur, IL

There are
535 mi
from Fort Smith, AR to Decatur, IL

That's the driving distance. It would take 10 hours 2 mins to go from Fort Smith, Arkansas to Decatur, Illinois.

The flight distance (direct flight from Fort Smith, AR to Decatur, IL) is 428.19 mi.

535 mi = 860.56 kms