There are
1,206 mi
from Deerfield Beach, FL to St Peters, MO
That's the driving distance. It would take 22 hours 13 mins to go from Deerfield Beach, Florida to St Peters, Missouri.
The flight distance (direct flight from Deerfield Beach, FL to St Peters, MO) is 1,054.48 mi.
1,206 mi = 1.61 kms