Depending on which way you would like to go it's between 340 and 380 miles and is about 30 minutes longer to drive the shorter distance.
Its TN
About 400 miles
Atlanta, GA to Murfreesboro, TN is about 217 Miles - 350 Km.
It is about 390 miles.
It is 248 miles according to Google Maps.
mileage between Chattanooga ,TN Atlanta , GA
The driving distance from Atlanta GA to Knoxville TN is 213 road miles.
120 miles
The driving distance from Nashville, TN to Atlanta, GA is 246 mi with a driving time of about 4 hours 6 mins.
250 miles
Chattanooga, Tennessee
about 200 miles