There are
416 mi
from Sioux Falls, SD to Wausau, WI
That's the driving distance. It would take 8 hours 6 mins to go from Sioux Falls, South Dakota to Wausau, Wisconsin.
The flight distance (direct flight from Sioux Falls, SD to Wausau, WI) is 363.05 mi.
416 mi = 668.95 kms