There are
2,174 mi
from Waukegan, IL to San Mateo, CA
That's the driving distance. It would take 1 day 13 hours to go from Waukegan, Illinois to San Mateo, California.
The flight distance (direct flight from Waukegan, IL to San Mateo, CA) is 1,842.85 mi.
2,174 mi = 3.22 kms