Yes. About 30 miles from where 75 and 285 merge. Depends on which way you go. You, coming from Savannah, and depending on time of day and construction levels, can take 285 around to 75, or you can take 20 straight into the city to 75. I actually preferred to take 20 when I went up north because...
:lol I think Atlanta and Chattanooga are about the same distance. Totally guessing, but I'd imagine Atlanta would be cheaper because it's bigger. I could be totally wrong though. ;)