Seeing as how South Carolina does not boarder Tennessee I'll say the answer is Georgia.
CSRA - Central Savannah River Area
The big old savannahh river.
South Carolina and the Atlantic Ocean border the eastern side of Georgia. The Savannah River forms the border between Georgia and South Carolina.
Gatlinburg, Tennessee is about 340 mi. or 547 km from Savannah, Georgia.
No but North Carolina and seven other states do.
In the USA alone, they are found in Georgia, Iowa, Mississippi, North Carolina, New York, Ohio, and Tennessee.
For the most part the Savannah river borders the states of South Carolina and Georgia.
It is 496 miles (8 hours 17 minutes) between Nashville, Tennessee and Savannah, Georgia.
Chattanooga, Tennessee is located about 6 hours north of Savannah, Georgia. There is approximately 366 miles between the two cities.
Virginia, South Carolina, Atlantic Ocean, Tennessee and a little bit of Georgia
Tennessee and North Carolina border GA on the north.
chattahoochee river