There are
451 mi
from Sioux City, IA to Wausau, WI
That's the driving distance. It would take 8 hours 58 mins to go from Sioux City, Iowa to Wausau, Wisconsin.
The flight distance (direct flight from Sioux City, IA to Wausau, WI) is 378.15 mi.
451 mi = 726.26 kms