There are
1,006 mi
from Gresham, OR to Chino Hills, CA
That's the driving distance. It would take 19 hours 6 mins to go from Gresham, Oregon to Chino Hills, California.
The flight distance (direct flight from Gresham, OR to Chino Hills, CA) is 833.12 mi.
1,006 mi = 1.61 kms