Miles between San Marcos, CA and Fontana, CA

There are
77 mi
from San Marcos, CA to Fontana, CA

That's the driving distance. It would take 1 hour 34 mins to go from San Marcos, California to Fontana, California.

The flight distance (direct flight from San Marcos, CA to Fontana, CA) is 67.36 mi.

77 mi = 124.37 kms