There are
1,361 mi
from Amarillo, TX to West Mifflin, PA
That's the driving distance. It would take 1 day to go from Amarillo, Texas to West Mifflin, Pennsylvania.
The flight distance (direct flight from Amarillo, TX to West Mifflin, PA) is 1,247.02 mi.
1,361 mi = 2,190.02 kms