Miles between San Marcos, CA and San Ramon, CA

There are
452 mi
from San Marcos, CA to San Ramon, CA

That's the driving distance. It would take 8 hours 26 mins to go from San Marcos, California to San Ramon, California.

The flight distance (direct flight from San Marcos, CA to San Ramon, CA) is 419.34 mi.

452 mi = 726.94 kms