Miles between Upland, CA and San Marcos, CA

There are
86 mi
from Upland, CA to San Marcos, CA

That's the driving distance. It would take 1 hour 42 mins to go from Upland, California to San Marcos, California.

The flight distance (direct flight from Upland, CA to San Marcos, CA) is 71.52 mi.

86 mi = 137.71 kms