Irvine, California is 2.7% larger than Overland Park, Kansas.
Area: 173 km2 calculated
Irvine is a suburban city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Wikipedia
Area: 168 km2 calculated
Overland Park is the second most populous city in the U.S. state of Kansas. Located in Johnson County, it is a suburb of Kansas City, Missouri and the second most populous city in the Kansas City metropolitan area. As of the 2010 census, the city population was 173,372. Wikipedia