Pasadena, California is 2.2 times larger than Berkeley, California.
Area: 27 km2 calculated
Berkeley is a city on the east shore of San Francisco Bay in northern Alameda County, California, that is named after the eighteenth-century bishop and philosopher George Berkeley. Wikipedia
Area: 60 km2 calculated
Pasadena is a city in Los Angeles County, California, United States. As of 2010 United States Census, the population of Pasadena was 137,122, making it the 180th-largest city in the United States, down from 168th place in 2009. Pasadena is the ninth-largest city in Los Angeles County. Wikipedia