Iceland is 846 times larger than San Francisco.
Area: 103,000 km2 World Factbook
Population: 317,351 (July 2014) World Factbook
Iceland is a Nordic country between the North Atlantic and the Arctic Ocean. It has a population of 325,671 and an area of 103,000 km², making it the most sparsely populated country in Europe. 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