Miles between San Marcos, CA and Fremont, CA

There are
454 mi
from San Marcos, CA to Fremont, CA

That's the driving distance. It would take 8 hours 37 mins to go from San Marcos, California to Fremont, California.

The flight distance (direct flight from San Marcos, CA to Fremont, CA) is 407.93 mi.

454 mi = 729.85 kms