There are
462 mi
from Sioux City, IA to Brookfield, WI
That's the driving distance. It would take 9 hours 8 mins to go from Sioux City, Iowa to Brookfield, Wisconsin.
The flight distance (direct flight from Sioux City, IA to Brookfield, WI) is 422.20 mi.
462 mi = 743.19 kms