Cape Coral, Florida is 2.7 times larger than Naperville, Illinois.
Area: 298 km2 calculated
Cape Coral is a city located in Lee County, Florida, United States, on the Gulf of Mexico. Founded in 1957 and developed as a master-planned, pre-platted community, the city grew to a population of 154,305 by the year 2010. Wikipedia
Area: 109 km2 calculated
Naperville is a suburban city of Chicago, located in DuPage and Will counties in the State of Illinois. Naperville was voted the second-best place to live in the United States by Money magazine in 2006. It was rated 1st on the list of best cities for early retirement in 2013 by kiplinger. Wikipedia