Albuquerque, New Mexico is 3.9 times larger than Boston.
Area: 501 km2 calculated
Albuquerque is the most populous city in the U.S. state of New Mexico. It is the county seat of Bernalillo County, and it is situated in the central part of the state, straddling the Rio Grande. Wikipedia
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