Montana (USA) is 6,421 times larger than Manhattan (NYC borough).
Area: 376,962 km2 US Census
Population: 1,015,165 (July 2013) US Census
Montana is a state in the Western United States. The state's name is derived from the Spanish word montaña. Wikipedia
Area: 59 km2 calculated
Population: 1,619,090 (2012)
Manhattan is the most densely populated of the five boroughs of New York City. The borough is coterminous with New York County, an original county of the U.S. state of New York. Wikipedia