There are
839 mi
from Deerfield Beach, FL to Tupelo, MS
That's the driving distance. It would take 16 hours 9 mins to go from Deerfield Beach, Florida to Tupelo, Mississippi.
The flight distance (direct flight from Deerfield Beach, FL to Tupelo, MS) is 750.61 mi.
839 mi = 1,349.59 kms