There are
442 mi
from Sioux Falls, SD to Fitchburg, WI
That's the driving distance. It would take 8 hours 1 min to go from Sioux Falls, South Dakota to Fitchburg, Wisconsin.
The flight distance (direct flight from Sioux Falls, SD to Fitchburg, WI) is 367.85 mi.
442 mi = 711.65 kms