There are
2,861 mi
from Allentown, PA to Lompoc, CA
That's the driving distance. It would take 2 days 3 hours to go from Allentown, Pennsylvania to Lompoc, California.
The flight distance (direct flight from Allentown, PA to Lompoc, CA) is 2,468 mi.
2,861 mi = 3.22 kms