There are
787 mi
from Fort Smith, AR to Waunakee, WI
That's the driving distance. It would take 14 hours 25 mins to go from Fort Smith, Arkansas to Waunakee, Wisconsin.
The flight distance (direct flight from Fort Smith, AR to Waunakee, WI) is 600.34 mi.
787 mi = 1,266.28 kms