There are
1,714 mi
from Allentown, PA to Seguin, TX
That's the driving distance. It would take 1 day 6 hours to go from Allentown, Pennsylvania to Seguin, Texas.
The flight distance (direct flight from Allentown, PA to Seguin, TX) is 1,475.46 mi.
1,714 mi = 1.61 kms