There are
1,617 mi
from Amarillo, TX to Allentown, PA
That's the driving distance. It would take 1 day 5 hours to go from Amarillo, Texas to Allentown, Pennsylvania.
The flight distance (direct flight from Amarillo, TX to Allentown, PA) is 1,477.13 mi.
1,617 mi = 1.61 kms