Rhode Island (USA) is 66 times larger than Costa Mesa, California.
Rhode Island, officially the State of Rhode Island and Providence Plantations, is a state in the New England region of the United States. Rhode Island is the smallest in area, the eighth least populous, but the second most densely populated of the 50 US states behind New Jersey. Wikipedia
Area: 41 km2 calculated
Costa Mesa is a city in Orange County, California. The population was 109,960 at the 2010 United States Census. Wikipedia