Cedar Rapids, Iowa is 2 times larger than West Valley City, Utah.
Area: 187 km2 calculated
Cedar Rapids is the second largest city in Iowa and is the county seat of Linn County. The city lies on both banks of the Cedar River, 20 miles north of Iowa City and 100 miles east of Des Moines, the state's capital and largest city. Wikipedia
Area: 92 km2 calculated
West Valley City is a city in Salt Lake County and a suburb of Salt Lake City in the U.S. state of Utah. The population was 129,480 at the 2010 census, making it the second-largest city in Utah. Wikipedia