There are
814 mi
from Waukegan, IL to Mandan, ND
That's the driving distance. It would take 14 hours 31 mins to go from Waukegan, Illinois to Mandan, North Dakota.
The flight distance (direct flight from Waukegan, IL to Mandan, ND) is 710.87 mi.
814 mi = 1,309.63 kms