There are
2,807 mi
from Allentown, PA to Antioch, CA
That's the driving distance. It would take 2 days 1 hour to go from Allentown, Pennsylvania to Antioch, California.
The flight distance (direct flight from Allentown, PA to Antioch, CA) is 2,454.05 mi.
2,807 mi = 3.22 kms