Columbus, Ohio is 99% 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: 694 km2 calculated
Columbus is the capital of and the largest city in the U.S. state of Ohio. It is the 15th largest city in the United States with a population of 822,553. It is the core city of the Columbus, OH Metropolitan Statistical Area, which encompasses a ten county area. Wikipedia