Miles between Gresham, OR and San Ramon, CA

There are
642 mi
from Gresham, OR to San Ramon, CA

That's the driving distance. It would take 12 hours 25 mins to go from Gresham, Oregon to San Ramon, California.

The flight distance (direct flight from Gresham, OR to San Ramon, CA) is 533.92 mi.

642 mi = 1,033.15 kms