Raleigh, North Carolina is 6.6 times larger than Manhattan (NYC borough).
Area: 59 km2 calculated
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
Area: 385 km2 calculated
Raleigh is the capital of the state of North Carolina as well as the seat of Wake County. Raleigh is known as the "City of Oaks" for its many oak trees, which line the streets in the heart of the city. The city covers a land area of 142.8 square miles. According to the U.S. Wikipedia