There are
1,217 mi
from Deerfield Beach, FL to Lake St Louis, MO
That's the driving distance. It would take 22 hours 23 mins to go from Deerfield Beach, Florida to Lake St Louis, Missouri.
The flight distance (direct flight from Deerfield Beach, FL to Lake St Louis, MO) is 1,060.77 mi.
1,217 mi = 1.61 kms