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