Miles between San Marcos, CA and Simi Valley, CA

There are
140 mi
from San Marcos, CA to Simi Valley, CA

That's the driving distance. It would take 2 hours 47 mins to go from San Marcos, California to Simi Valley, California.

The flight distance (direct flight from San Marcos, CA to Simi Valley, CA) is 121.11 mi.

140 mi = 224.58 kms