Santa Clarita, California is 66% larger than West Jordan, Utah.
Area: 139 km2 calculated
Santa Clarita, officially the City of Santa Clarita, is the third largest city in Los Angeles County, California, United States and the eighteenth largest city in the state of California, based on the population estimate from the California Department of Finance. Wikipedia
Area: 84 km2 calculated
West Jordan is a city in Salt Lake County, Utah, United States. West Jordan is a rapidly growing suburb of Salt Lake City and has a mixed economy. According to the 2010 Census, the city had a population of 103,712, placing it as the fourth most populous in the state. Wikipedia