There are
530 mi
from Rockford, IL to Goodlettsville, TN
That's the driving distance. It would take 10 hours 1 min to go from Rockford, Illinois to Goodlettsville, Tennessee.
The flight distance (direct flight from Rockford, IL to Goodlettsville, TN) is 430.18 mi.
530 mi = 852.93 kms