There are
944 mi
from Huntsville, AL to South Sioux City, NE
That's the driving distance. It would take 17 hours 40 mins to go from Huntsville, Alabama to South Sioux City, Nebraska.
The flight distance (direct flight from Huntsville, AL to South Sioux City, NE) is 752.12 mi.
944 mi = 1,518.78 kms