Miles between Costa Mesa, CA and South San Francisco, CA

There are
420 mi
from Costa Mesa, CA to South San Francisco, CA

That's the driving distance. It would take 7 hours 54 mins to go from Costa Mesa, California to South San Francisco, California.

The flight distance (direct flight from Costa Mesa, CA to South San Francisco, CA) is 374.63 mi.

420 mi = 675.12 kms