Miles between Fort Smith, AR and Naperville, IL

There are
691 mi
from Fort Smith, AR to Naperville, IL

That's the driving distance. It would take 12 hours 45 mins to go from Fort Smith, Arkansas to Naperville, Illinois.

The flight distance (direct flight from Fort Smith, AR to Naperville, IL) is 556 mi.

691 mi = 1,112.70 kms