Miles between Happy Valley, OR and Duarte, CA

There are
978 mi
from Happy Valley, OR to Duarte, CA

That's the driving distance. It would take 18 hours 23 mins to go from Happy Valley, Oregon to Duarte, California.

The flight distance (direct flight from Happy Valley, OR to Duarte, CA) is 817.43 mi.

978 mi = 1,573.16 kms