Maldives is 2.4 times larger than San Francisco.
Area: 298 km2 World Factbook
Population: 393,595 (July 2014) World Factbook
Maldives, officially the Republic of the Maldives and also referred to as the Maldive Islands, is an island nation in the Indian Ocean–Arabian Sea area, consisting of a double chain of twenty-six atolls, oriented north-south, that lie between Minicoy Island and the Chagos Archipelago. Wikipedia
Area: 122 km2 calculated
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