Portland, Oregon is 7.1 times larger than Torrance, California.
Area: 376 km2 calculated
Population: 603,106 (2012)
Portland is the largest city by population in the U.S. state of Oregon, near the confluence of the Willamette and Columbia rivers. 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