There are
2,660 mi
from Allentown, PA to San Jacinto, CA
That's the driving distance. It would take 1 day 23 hours to go from Allentown, Pennsylvania to San Jacinto, California.
The flight distance (direct flight from Allentown, PA to San Jacinto, CA) is 2,308.51 mi.
2,660 mi = 3.22 kms