There are
2,604 mi
from Lancaster, PA to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 22 hours to go from Lancaster, Pennsylvania to Rancho Cucamonga, California.
The flight distance (direct flight from Lancaster, PA to Rancho Cucamonga, CA) is 2,291.79 mi.
2,604 mi = 4,190.83 kms