Boston is 2.6 times larger than New Haven, Connecticut.
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: 50 km2 calculated
New Haven is the second-largest city in Connecticut after Bridgeport with a population at the 2010 United States Census of 129,779 people. According to a census done by the Census Bureau as of July 1, 2012, the city had a population of 130,741. Wikipedia