There are
1,552 mi
from Allentown, PA to Bismarck, ND
That's the driving distance. It would take 1 day 4 hours to go from Allentown, Pennsylvania to Bismarck, North Dakota.
The flight distance (direct flight from Allentown, PA to Bismarck, ND) is 1,327.09 mi.
1,552 mi = 1.61 kms