New Jersey (USA) is 321 times larger than Hialeah, Florida.
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. It is bordered on the north and east by New York State, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania, and on the southwest by Delaware. Wikipedia
Area: 59 km2 calculated
Hialeah is a city in Miami-Dade County, Florida, United States. As of the 2010 census, Hialeah has a population of 224,669. Hialeah is the sixth-largest city in the state, and is a major municipality within Greater Miami. Wikipedia