There are
776 mi
from Amarillo, TX to Buckeye, AZ
That's the driving distance. It would take 13 hours 19 mins to go from Amarillo, Texas to Buckeye, Arizona.
The flight distance (direct flight from Amarillo, TX to Buckeye, AZ) is 626.64 mi.
776 mi = 1,248.09 kms