There are
786 mi
from Bismarck, ND to Antioch, IL
That's the driving distance. It would take 14 hours 2 mins to go from Bismarck, North Dakota to Antioch, Illinois.
The flight distance (direct flight from Bismarck, ND to Antioch, IL) is 690.74 mi.
786 mi = 1,265.42 kms