There are
445 mi
from Sioux Falls, SD to Stoughton, WI
That's the driving distance. It would take 8 hours 2 mins to go from Sioux Falls, South Dakota to Stoughton, Wisconsin.
The flight distance (direct flight from Sioux Falls, SD to Stoughton, WI) is 379.06 mi.
445 mi = 715.69 kms