Long Beach, California is 8.3% larger than Boston.
Area: 129 km2 calculated
Boston is the capital and largest city of the Commonwealth of Massachusetts in the United States. Boston also serves as county seat of Suffolk County. Wikipedia
Area: 140 km2 calculated
Long Beach is a city in Los Angeles County in Southern California, on the Pacific coast of the United States. The city is the 36th-largest city in the United States and the seventh-largest in California. As of 2010, its population was 462,257. Wikipedia