Miles between Costa Mesa, CA and Simi Valley, CA

There are
84 mi
from Costa Mesa, CA to Simi Valley, CA

That's the driving distance. It would take 1 hour 39 mins to go from Costa Mesa, California to Simi Valley, California.

The flight distance (direct flight from Costa Mesa, CA to Simi Valley, CA) is 65.77 mi.

84 mi = 134.61 kms