There are
1,208 mi
from Fort Smith, AR to Boynton Beach, FL
That's the driving distance. It would take 22 hours 38 mins to go from Fort Smith, Arkansas to Boynton Beach, Florida.
The flight distance (direct flight from Fort Smith, AR to Boynton Beach, FL) is 1,044.97 mi.
1,208 mi = 1.61 kms