There are
1,011 mi
from Gresham, OR to Rancho Cucamonga, CA
That's the driving distance. It would take 19 hours 9 mins to go from Gresham, Oregon to Rancho Cucamonga, California.
The flight distance (direct flight from Gresham, OR to Rancho Cucamonga, CA) is 827.62 mi.
1,011 mi = 1.61 kms