There are
1,320 mi
from Fort Smith, AR to Cottonwood Heights, UT
That's the driving distance. It would take 22 hours 31 mins to go from Fort Smith, Arkansas to Cottonwood Heights, Utah.
The flight distance (direct flight from Fort Smith, AR to Cottonwood Heights, UT) is 1,014.86 mi.
1,320 mi = 1.61 kms