There are
1,546 mi
from Waukegan, IL to Missoula, MT
That's the driving distance. It would take 1 day 2 hours to go from Waukegan, Illinois to Missoula, Montana.
The flight distance (direct flight from Waukegan, IL to Missoula, MT) is 1,317.74 mi.
1,546 mi = 1.61 kms