Philadelphia is 31% larger than Queens (NYC borough).
Area: 370 km2 calculated
Philadelphia is the largest city in the Commonwealth of Pennsylvania, the fifth-most-populous city in the United States, and the core of the sixth-largest metropolitan area in the country. Wikipedia
Area: 282 km2 calculated
Queens is the easternmost and largest in area of the five boroughs of New York City, geographically adjacent to the borough of Brooklyn at the western end of Long Island. Wikipedia