There are
761 mi
from Amarillo, TX to Avondale, AZ
That's the driving distance. It would take 13 hours 2 mins to go from Amarillo, Texas to Avondale, Arizona.
The flight distance (direct flight from Amarillo, TX to Avondale, AZ) is 612.44 mi.
761 mi = 1,224.50 kms