There are
312 mi
from Dayton, OH to Goodlettsville, TN
That's the driving distance. It would take 5 hours 51 mins to go from Dayton, Ohio to Goodlettsville, Tennessee.
The flight distance (direct flight from Dayton, OH to Goodlettsville, TN) is 274.17 mi.
312 mi = 501.47 kms