There are
647 mi
from Deerfield Beach, FL to Duluth, GA
That's the driving distance. It would take 11 hours 48 mins to go from Deerfield Beach, Florida to Duluth, Georgia.
The flight distance (direct flight from Deerfield Beach, FL to Duluth, GA) is 583.19 mi.
647 mi = 1,041.63 kms