Tallahassee, Florida is 59% larger than St. Louis.
Area: 170 km2 calculated
St. Louis is an independent city and a major United States port in eastern Missouri. The city reaches the western banks of the Mississippi River, which forms Missouri's eastern border with Illinois. At the 2010 census, St. Wikipedia
Area: 270 km2 calculated
Tallahassee is the capital of the U.S. state of Florida. It is the county seat and only incorporated municipality in Leon County, and is the 125th largest city in the United States. Tallahassee became the capital of Florida, then the Florida Territory, in 1824. Wikipedia