There are
399 mi
from Sioux City, IA to Stoughton, WI
That's the driving distance. It would take 8 hours 1 min to go from Sioux City, Iowa to Stoughton, Wisconsin.
The flight distance (direct flight from Sioux City, IA to Stoughton, WI) is 365.68 mi.
399 mi = 642.71 kms