Miles between Costa Mesa, CA and Rialto, CA

There are
56 mi
from Costa Mesa, CA to Rialto, CA

That's the driving distance. It would take 1 hour 10 mins to go from Costa Mesa, California to Rialto, California.

The flight distance (direct flight from Costa Mesa, CA to Rialto, CA) is 45 mi.

56 mi = 90.69 kms