There are
2,569 mi
from Rancho Cucamonga, CA to Harrisburg, PA
That's the driving distance. It would take 1 day 21 hours to go from Rancho Cucamonga, California to Harrisburg, Pennsylvania.
The flight distance (direct flight from Rancho Cucamonga, CA to Harrisburg, PA) is 2,260.49 mi.
2,569 mi = 4,133.64 kms