Miles between San Marcos, CA and Los Altos, CA

There are
451 mi
from San Marcos, CA to Los Altos, CA

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

The flight distance (direct flight from San Marcos, CA to Los Altos, CA) is 404.61 mi.

451 mi = 725.35 kms