Miles between Happy Valley, OR and Mill Valley, CA

There are
637 mi
from Happy Valley, OR to Mill Valley, CA

That's the driving distance. It would take 12 hours 21 mins to go from Happy Valley, Oregon to Mill Valley, California.

The flight distance (direct flight from Happy Valley, OR to Mill Valley, CA) is 521.02 mi.

637 mi = 1,025.81 kms