There are
743 mi
from Amarillo, TX to Crestwood, MO
That's the driving distance. It would take 13 hours 2 mins to go from Amarillo, Texas to Crestwood, Missouri.
The flight distance (direct flight from Amarillo, TX to Crestwood, MO) is 672.76 mi.
743 mi = 1,195.27 kms