There are
1,638 mi
from Amarillo, TX to Lansdowne, PA
That's the driving distance. It would take 1 day 6 hours to go from Amarillo, Texas to Lansdowne, Pennsylvania.
The flight distance (direct flight from Amarillo, TX to Lansdowne, PA) is 1,484.44 mi.
1,638 mi = 1.61 kms