Los Angeles County, California is 106 times larger than Carlsbad, California.
Area: 100 km2 calculated
Carlsbad is an affluent seaside resort city occupying a 7-mile stretch of Pacific coastline in North San Diego County, California. The city is located 87 miles south of Los Angeles and 35 miles north of downtown San Diego. 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