There are
1,664 mi
from Bismarck, ND to Norwalk, CT
That's the driving distance. It would take 1 day 6 hours to go from Bismarck, North Dakota to Norwalk, Connecticut.
The flight distance (direct flight from Bismarck, ND to Norwalk, CT) is 1,409.02 mi.
1,664 mi = 2,678.33 kms