There are
707 mi
from Bismarck, ND to Stoughton, WI
That's the driving distance. It would take 12 hours 28 mins to go from Bismarck, North Dakota to Stoughton, Wisconsin.
The flight distance (direct flight from Bismarck, ND to Stoughton, WI) is 626.18 mi.
707 mi = 1,137.18 kms