There are
1,469 mi
from Avondale, AZ to Clayton, MO
That's the driving distance. It would take 1 day 2 hours to go from Avondale, Arizona to Clayton, Missouri.
The flight distance (direct flight from Avondale, AZ to Clayton, MO) is 1,278.52 mi.
1,469 mi = 1.61 kms