Massachusetts (USA) is 5.6 times larger than Kings County, California.
Massachusetts, officially the Commonwealth of Massachusetts, is a state in the New England region of the northeastern United States. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. Wikipedia
Area: 3,605 km2 calculated
Kings County is a county located in the U.S. state of California. It is located in the San Joaquin Valley, a rich agricultural region. The county seat is Hanford. Wikipedia