There are
1,044 mi
from Sioux City, IA to Millbrook, AL
That's the driving distance. It would take 20 hours 1 min to go from Sioux City, Iowa to Millbrook, Alabama.
The flight distance (direct flight from Sioux City, IA to Millbrook, AL) is 883.03 mi.
1,044 mi = 1,680.94 kms