There are
348 mi
from Waukegan, IL to Chesterfield, MO
That's the driving distance. It would take 6 hours 39 mins to go from Waukegan, Illinois to Chesterfield, Missouri.
The flight distance (direct flight from Waukegan, IL to Chesterfield, MO) is 293.17 mi.
348 mi = 559.73 kms