Oakland, California is 74% larger than Richmond, California.
Area: 150 km2 calculated
Population: 400,740 (2012)
Oakland is a major West Coast port city in the U.S. state of California. The Port of Oakland is the busiest port for San Francisco Bay and all of Northern California. Wikipedia
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