San Francisco is 42% larger than Richmond, California.
Area: 86 km2 calculated
Population: 106,516 (2012)
Richmond is a city in western Contra Costa County, California, United States. The city was incorporated on August 7, 1905. Wikipedia
Area: 122 km2 calculated
Population: 825,863 (2012)
San Francisco, officially the City and County of San Francisco, is the cultural center and a leading financial hub of the San Francisco Bay Area and Northern California. Wikipedia