North Charleston, South Carolina is 21% larger than Topeka, Kansas.
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
Area: 160 km2 calculated
Topeka is the capital city of the U.S. state of Kansas and the seat of Shawnee County. It is situated along the Kansas River in the central part of Shawnee County, located in northeast Kansas, in the Central United States. As of the 2010 census, the city population was 127,473. Wikipedia