Scottsdale, Arizona is 9 times larger than Torrance, California.
Area: 478 km2 calculated
Population: 223,514 (2012)
Scottsdale is a city in the eastern part of Maricopa County, Arizona, adjacent to the Greater Phoenix Area. According to the U.S. Census Bureau, as of 2010 the population of the city was 217,385. Wikipedia
Area: 53 km2 calculated
Population: 147,027 (2012)
Torrance is a city incorporated in 1921 and located in the South Bay region of Los Angeles County, California, United States. Wikipedia