There are
1,031 mi
from Sioux Falls, SD to Huntsville, AL
That's the driving distance. It would take 19 hours 1 min to go from Sioux Falls, South Dakota to Huntsville, Alabama.
The flight distance (direct flight from Sioux Falls, SD to Huntsville, AL) is 814.29 mi.
1,031 mi = 1.61 kms