Miles between Rialto, CA and San Ramon, CA

There are
402 mi
from Rialto, CA to San Ramon, CA

That's the driving distance. It would take 7 hours 26 mins to go from Rialto, California to San Ramon, California.

The flight distance (direct flight from Rialto, CA to San Ramon, CA) is 361.65 mi.

402 mi = 646.91 kms