There are
2,123 mi
from Joliet, IL to San Mateo, CA
That's the driving distance. It would take 1 day 12 hours to go from Joliet, Illinois to San Mateo, California.
The flight distance (direct flight from Joliet, IL to San Mateo, CA) is 1,832.77 mi.
2,123 mi = 3.22 kms