There are
868 mi
from Fort Smith, AR to Muskegon Heights, MI
That's the driving distance. It would take 16 hours 5 mins to go from Fort Smith, Arkansas to Muskegon Heights, Michigan.
The flight distance (direct flight from Fort Smith, AR to Muskegon Heights, MI) is 693.49 mi.
868 mi = 1,397.00 kms