There are
797 mi
from Bismarck, ND to Elgin, IL
That's the driving distance. It would take 14 hours 5 mins to go from Bismarck, North Dakota to Elgin, Illinois.
The flight distance (direct flight from Bismarck, ND to Elgin, IL) is 698.37 mi.
797 mi = 1,283.32 kms