There are
471 mi
from Sioux City, IA to Greenfield, WI
That's the driving distance. It would take 9 hours 18 mins to go from Sioux City, Iowa to Greenfield, Wisconsin.
The flight distance (direct flight from Sioux City, IA to Greenfield, WI) is 426.71 mi.
471 mi = 757.74 kms