Miles between San Mateo, CA and El Cajon, CA

There are
497 mi
from San Mateo, CA to El Cajon, CA

That's the driving distance. It would take 9 hours 29 mins to go from San Mateo, California to El Cajon, California.

The flight distance (direct flight from San Mateo, CA to El Cajon, CA) is 447.34 mi.

497 mi = 799.25 kms