There are
2,133 mi
from Waukegan, IL to Brentwood, CA
That's the driving distance. It would take 1 day 13 hours to go from Waukegan, Illinois to Brentwood, California.
The flight distance (direct flight from Waukegan, IL to Brentwood, CA) is 1,801.60 mi.
2,133 mi = 3.22 kms