Miles between Gresham, OR and Diamond Bar, CA

There are
1,002 mi
from Gresham, OR to Diamond Bar, CA

That's the driving distance. It would take 18 hours 59 mins to go from Gresham, Oregon to Diamond Bar, California.

The flight distance (direct flight from Gresham, OR to Diamond Bar, CA) is 829.33 mi.

1,002 mi = 1.61 kms