Israel is 171 times larger than San Francisco.
Area: 20,770 km2 World Factbook
Population: 7,821,850 (July 2014) World Factbook
Israel, officially the State of Israel, is a country in the Middle East, situated in the region of Western Asia, on the south-eastern shore of the Mediterranean Sea. 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