Miles between Costa Mesa, CA and Walnut Creek, CA

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

That's the driving distance. It would take 7 hours 30 mins to go from Costa Mesa, California to Walnut Creek, California.

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

406 mi = 653.63 kms