Kazakhstan is 13,071 times larger than Riverside, California.
Area: 2,724,900 km2 World Factbook
Population: 17,948,816 (July 2014) World Factbook
Kazakhstan, officially the Republic of Kazakhstan, is a contiguous transcontinental country in Central Asia, with its smaller part west of the Ural River in Europe. Wikipedia
Area: 208 km2 calculated
Riverside is a city in Riverside County, California, United States, located in the Inland Empire metropolitan area. Riverside is the county seat of the eponymous county and named for its location beside the Santa Ana River. Wikipedia