Miles between San Mateo, CA and Happy Valley, OR

There are
656 mi
from San Mateo, CA to Happy Valley, OR

That's the driving distance. It would take 12 hours 39 mins to go from San Mateo, California to Happy Valley, Oregon.

The flight distance (direct flight from San Mateo, CA to Happy Valley, OR) is 544.82 mi.

656 mi = 1,055.60 kms