San Jose, California is 2.4 times larger than American Samoa.
Area: 199 km2 World Factbook
Population: 54,517 (July 2014) World Factbook
American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of Samoa. American Samoa consists of 5 main islands and 2 coral atolls. Wikipedia
Area: 470 km2 calculated
San Jose is the third-largest city in California, the tenth-largest in the United States, and the county seat of Santa Clara County. San Jose is the largest city within Silicon Valley, which is a major component of the greater Bay Area. It is the largest city in Northern California. Wikipedia