Fairfield, California is 71% larger than Sunnyvale, California.
Area: 98 km2 calculated
Fairfield is a city in, and the county seat of, Solano County, California, United States. Wikipedia
Area: 57 km2 calculated
Sunnyvale, officially the City of Sunnyvale, is a city located in Santa Clara County, California. As of the 2010 United States Census, the population was 140,095. The city is one of the major cities that make up the Silicon Valley located in the San Francisco Bay Area. Wikipedia