Miles between Walnut Creek, CA and Costa Mesa, CA

There are
406 mi
from Walnut Creek, CA to Costa Mesa, CA

That's the driving distance. It would take 7 hours 31 mins to go from Walnut Creek, California to Costa Mesa, California.

The flight distance (direct flight from Walnut Creek, CA to Costa Mesa, CA) is 375.22 mi.

406 mi = 653.02 kms