There are
654 mi
from Fort Smith, AR to Bettendorf, IA
That's the driving distance. It would take 11 hours 53 mins to go from Fort Smith, Arkansas to Bettendorf, Iowa.
The flight distance (direct flight from Fort Smith, AR to Bettendorf, IA) is 476.56 mi.
654 mi = 1,052.30 kms