There are
341 mi
from Duluth, MN to Stoughton, WI
That's the driving distance. It would take 6 hours 30 mins to go from Duluth, Minnesota to Stoughton, Wisconsin.
The flight distance (direct flight from Duluth, MN to Stoughton, WI) is 302.32 mi.
341 mi = 549.16 kms