There are
1,176 mi
from Delray Beach, FL to Clayton, MO
That's the driving distance. It would take 21 hours 35 mins to go from Delray Beach, Florida to Clayton, Missouri.
The flight distance (direct flight from Delray Beach, FL to Clayton, MO) is 1,030.29 mi.
1,176 mi = 1,893.36 kms