There are
1,524 mi
from Buckeye, AZ to St Peters, MO
That's the driving distance. It would take 1 day 2 hours to go from Buckeye, Arizona to St Peters, Missouri.
The flight distance (direct flight from Buckeye, AZ to St Peters, MO) is 1,279.37 mi.
1,524 mi = 2,452.91 kms