There are
2,631 mi
from Reading, PA to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 23 hours to go from Reading, Pennsylvania to Rancho Cucamonga, California.
The flight distance (direct flight from Reading, PA to Rancho Cucamonga, CA) is 2,310.69 mi.
2,631 mi = 3.22 kms