There are
1,401 mi
from Rockford, IL to Deerfield Beach, FL
That's the driving distance. It would take 1 day 1 hour to go from Rockford, Illinois to Deerfield Beach, Florida.
The flight distance (direct flight from Rockford, IL to Deerfield Beach, FL) is 1,214.17 mi.
1,401 mi = 1.61 kms