Miles between Hillsboro, OR and South San Francisco, CA

There are
646 mi
from Hillsboro, OR to South San Francisco, CA

That's the driving distance. It would take 12 hours 37 mins to go from Hillsboro, Oregon to South San Francisco, California.

The flight distance (direct flight from Hillsboro, OR to South San Francisco, CA) is 544.47 mi.

646 mi = 1,039.22 kms