There are
2,193 mi
from Waukegan, IL to San Luis Obispo, CA
That's the driving distance. It would take 1 day 14 hours to go from Waukegan, Illinois to San Luis Obispo, California.
The flight distance (direct flight from Waukegan, IL to San Luis Obispo, CA) is 1,820.40 mi.
2,193 mi = 3.22 kms