Korea (South) is 686 times larger than Saint Paul, Minnesota.
Area: 99,720 km2 World Factbook
Population: 49,039,986 (July 2014) World Factbook
South Korea, officially the Republic of Korea, is a country in East Asia, constituting the southern part of the Korean Peninsula. The name Korea is derived from Goryeo (also spelt Koryo), a dynasty which ruled in the Middle Ages. Wikipedia
Area: 145 km2 calculated
Saint Paul is the capital and second-most populous city of the state of Minnesota. As of 2013, the city's estimated population was 294,873. Saint Paul is the county seat of Ramsey County, the smallest and most densely populated county in Minnesota. Wikipedia