Brooklyn (NYC borough) is 809 times larger than Phoenix, Arizona.
Area: 180 km2 calculated
Brooklyn is the most populous of New York City's five boroughs, with about 2.6 million people, as well as the second-largest in area. Wikipedia
Area: 0 km2 calculated
Phoenix is the capital, and largest city, of the State of Arizona. With 1,445,632 people, Phoenix is the most populous state capital in the United States, as well as the sixth most populous city nationally, after New York, Los Angeles, Chicago, Houston, and Philadelphia. Wikipedia