There are
827 mi
from Knoxville, TN to Deerfield Beach, FL
That's the driving distance. It would take 15 hours 16 mins to go from Knoxville, Tennessee to Deerfield Beach, Florida.
The flight distance (direct flight from Knoxville, TN to Deerfield Beach, FL) is 703.30 mi.
827 mi = 1,330.57 kms