Los Angeles County, California is 85 times larger than Jerusalem.
Area: 125 km2 calculated
Jerusalem, located on a plateau in the Judean Mountains between the Mediterranean and the Dead Sea, is one of the oldest cities in the world. It is considered holy to the three major Abrahamic religions—Judaism, Christianity and Islam. Wikipedia
Area: 10,580 km2 calculated
Los Angeles County, also known as L.A. County, officially the County of Los Angeles, is a county in the U.S. state of California. As of the 2010 U.S. Census, the county has a population of 9,818,605, making it the most populous county in the United States. Wikipedia