Miles between Costa Mesa, CA and San Marcos, CA

There are
66 mi
from Costa Mesa, CA to San Marcos, CA

That's the driving distance. It would take 1 hour 19 mins to go from Costa Mesa, California to San Marcos, California.

The flight distance (direct flight from Costa Mesa, CA to San Marcos, CA) is 55.40 mi.

66 mi = 106.72 kms