Miles between Sunnyvale, CA and San Marcos, CA

There are
450 mi
from Sunnyvale, CA to San Marcos, CA

That's the driving distance. It would take 8 hours 36 mins to go from Sunnyvale, California to San Marcos, California.

The flight distance (direct flight from Sunnyvale, CA to San Marcos, CA) is 400.79 mi.

450 mi = 723.49 kms