Missouri (USA) is 1,783 times larger than Carlsbad, California.
Missouri is a U.S. state located in the Midwestern United States. Missouri is the 21st most extensive and the 18th most populous of the 50 United States. Missouri comprises 114 counties and the independent city of St. Louis. The four largest urban areas are St. Wikipedia
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