Orlando, 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: 295 km2 calculated
Orlando is a major city in the U.S. state of Florida. Located in Central Florida, it is the county seat of Orange County and the center of the Greater Orlando metropolitan area. Wikipedia