Atlanta is 79% larger than North Charleston, South Carolina.
Area: 346 km2 calculated
Atlanta is the capital of and the most populous city in the U.S. state of Georgia, with an estimated 2013 population of 447,841. Atlanta is the cultural and economic center of the Atlanta metropolitan area, home to 5,522,942 people and the ninth largest metropolitan area in the United States. Wikipedia
Area: 194 km2 calculated
North Charleston is the third largest city in the U.S. state of South Carolina, with incorporated areas in Berkeley, Charleston, and Dorchester counties. On June 12, 1972, the city of North Charleston incorporated and was the ninth largest city in South Carolina. Wikipedia