There are
529 mi
from Waukegan, IL to Excelsior Springs, MO
That's the driving distance. It would take 9 hours 55 mins to go from Waukegan, Illinois to Excelsior Springs, Missouri.
The flight distance (direct flight from Waukegan, IL to Excelsior Springs, MO) is 393.39 mi.
529 mi = 851.60 kms