There are
566 mi
from Iowa City, IA to Goodlettsville, TN
That's the driving distance. It would take 10 hours 48 mins to go from Iowa City, Iowa to Goodlettsville, Tennessee.
The flight distance (direct flight from Iowa City, IA to Goodlettsville, TN) is 450.31 mi.
566 mi = 910.26 kms