There are
1,013 mi
from Sioux Falls, SD to Huntsville, TX
That's the driving distance. It would take 17 hours 49 mins to go from Sioux Falls, South Dakota to Huntsville, Texas.
The flight distance (direct flight from Sioux Falls, SD to Huntsville, TX) is 888.46 mi.
1,013 mi = 1.61 kms