There are
598 mi
from Bismarck, ND to Marshfield, WI
That's the driving distance. It would take 10 hours 45 mins to go from Bismarck, North Dakota to Marshfield, Wisconsin.
The flight distance (direct flight from Bismarck, ND to Marshfield, WI) is 532.19 mi.
598 mi = 962.56 kms