Miles between Hillsboro, OR and San Ramon, CA

There are
637 mi
from Hillsboro, OR to San Ramon, CA

That's the driving distance. It would take 12 hours 19 mins to go from Hillsboro, Oregon to San Ramon, California.

The flight distance (direct flight from Hillsboro, OR to San Ramon, CA) is 537.52 mi.

637 mi = 1,024.84 kms