There are
1,191 mi
from Boynton Beach, FL to St Peters, MO
That's the driving distance. It would take 21 hours 55 mins to go from Boynton Beach, Florida to St Peters, Missouri.
The flight distance (direct flight from Boynton Beach, FL to St Peters, MO) is 1,043.61 mi.
1,191 mi = 1.61 kms