Miles between Rancho Cucamonga, CA and San Marcos, CA

There are
82 mi
from Rancho Cucamonga, CA to San Marcos, CA

That's the driving distance. It would take 1 hour 41 mins to go from Rancho Cucamonga, California to San Marcos, California.

The flight distance (direct flight from Rancho Cucamonga, CA to San Marcos, CA) is 70.93 mi.

82 mi = 132.14 kms