There are
2,694 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.
2,694 mi = 4,335.63 kms