Miles between San Marcos, CA and Costa Mesa, CA

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

That's the driving distance. It would take 1 hour 18 mins to go from San Marcos, California to Costa Mesa, California.

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

66 mi = 106.31 kms