There are
1,665 mi
from Allentown, PA to Port Lavaca, TX
That's the driving distance. It would take 1 day 7 hours to go from Allentown, Pennsylvania to Port Lavaca, Texas.
The flight distance (direct flight from Allentown, PA to Port Lavaca, TX) is 1,453.63 mi.
1,665 mi = 1.61 kms