There are
2,677 mi
from Rancho Cucamonga, CA to Allentown, PA
That's the driving distance. It would take 1 day 23 hours to go from Rancho Cucamonga, California to Allentown, Pennsylvania.
The flight distance (direct flight from Rancho Cucamonga, CA to Allentown, PA) is 2,332.72 mi.
2,677 mi = 3.22 kms