There are
2,678 mi
from Allentown, PA to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 23 hours to go from Allentown, Pennsylvania to Rancho Cucamonga, California.
The flight distance (direct flight from Allentown, PA to Rancho Cucamonga, CA) is 2,332.72 mi.
2,678 mi = 3.22 kms