Cape Coral, Florida is 2.3 times larger than Boston.
Area: 129 km2 calculated
Boston is the capital and largest city of the Commonwealth of Massachusetts in the United States. Boston also serves as county seat of Suffolk County. Wikipedia
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