There are
2,725 mi
from Allentown, PA to Aliso Viejo, CA
That's the driving distance. It would take 2 days to go from Allentown, Pennsylvania to Aliso Viejo, California.
The flight distance (direct flight from Allentown, PA to Aliso Viejo, CA) is 2,354.64 mi.
2,725 mi = 3.22 kms