Miles between Fontana, CA and San Ramon, CA

There are
399 mi
from Fontana, CA to San Ramon, CA

That's the driving distance. It would take 7 hours 23 mins to go from Fontana, California to San Ramon, California.

The flight distance (direct flight from Fontana, CA to San Ramon, CA) is 359.78 mi.

399 mi = 642.71 kms