Los Angeles County, California is 72 times larger than West Palm Beach, Florida.
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
Area: 147 km2 calculated
West Palm Beach is a city in and the county seat of Palm Beach County, Florida, United States. The population was 101,043 at the 2010 census. It is the oldest large municipality in the South Florida metropolitan area, having been incorporated as a city two years before Miami. Wikipedia