Columbus, Georgia is 64% larger than Columbia, South Carolina.
Area: 348 km2 calculated
Columbia is the state capital and largest city in the State of South Carolina. The population was 129,272 according to the 2010 census. The 2013 United States Census estimates put the city at 133,358. Wikipedia
Area: 572 km2 calculated
Columbus is a city in and the county seat of Muscogee County, Georgia, United States, with which it is consolidated. According to the most recent U.S. Wikipedia