There are
495 mi
from Sioux Falls, SD to Allouez, WI
That's the driving distance. It would take 9 hours 31 mins to go from Sioux Falls, South Dakota to Allouez, Wisconsin.
The flight distance (direct flight from Sioux Falls, SD to Allouez, WI) is 436.03 mi.
495 mi = 796.03 kms