New York
783 km²
Philadelphia
370 km²
USA
United States
Area Comparison
New York is 2.1x larger than Philadelphia
Population Comparison
New York has 5.2x more people than Philadelphia
New York is significantly larger, covering 2.1 times the area of Philadelphia. New York spans 783 km² (302 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 413 km². You could fit Philadelphia inside New York approximately 2 times.
To put New York's size in perspective, its area of 783 km² is about 1.1x smaller than Berlin. Meanwhile, Philadelphia at 370 km² is about 1.6x smaller than Seoul.
New York's footprint is roughly about 110,000 American football fields, 13 times the area of Manhattan, or 7 times the area of Paris — pick whichever unit feels intuitive. Philadelphia, by comparison, equals about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
New York, often called New York City (NYC), is the most populous city in the United States. It is located at the southern tip of New York State on New York Harbor, one of the world's largest natural harbors. The city comprises five boroughs, each coextensive with its respective county. It is the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the United States by both population and urban area.
Known as "New York City", New York covers 783 km² with a population of 8.3 million. The city was established in 1624. New York is known for Times Square, Statue of Liberty, Empire State Building, among other attractions. The city's main transit system is the NYC Subway.
New York City sits on one of the world's largest natural harbors, which shaped its rise as America's commercial gateway.
Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania, and the sixth-most populous city in the United States, with a Census-estimated population of 1,574,281 in July 2025. The Philadelphia metropolitan area has 6.33 million residents and is the nation's ninth-largest metropolitan area. Philadelphia is known for its culture, cuisine, and history, maintaining contemporary influence in business and technology, sports, and music.
Also known as "Philly", Philadelphia has an area of 370 km² and is home to 1.6 million people. The city dates back to 1682. Visitors come for Liberty Bell, Independence Hall, Philly Cheesesteak, and much more.
Philadelphia is the sixth-most populous US city, with an estimated 1,574,281 residents as of July 2025.
New York has a population density of 10,651 people per km² — an extremely dense urban environment. Philadelphia, with 4,324 people per km², is a moderately dense city. New York is noticeably denser, packing 2.5 times more people per square kilometer.
Size Ratio
Philadelphia fits inside New York ~2 times
Density Gap
New York is 2.5x more densely populated
New York covers 783 km². Cities with a similar urban footprint include Hamburg (755 km²), Bangalore (741 km²), Kyoto (828 km²), Singapore (733 km²), or Santiago (838 km²).
Philadelphia covers 370 km². Cities with a similar urban footprint include Seattle (369 km²), Dhaka (368 km²), Portland (376 km²), Atlanta (348 km²), or Denver (401 km²).
The straight-line distance from New York to Philadelphia is 129 km (80 miles), with an estimated flight time of ~39m.
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