Philadelphia
370 km²
São Paulo
1,521 km²
United States
Brazil
Area Comparison
Philadelphia is 4.1x smaller than São Paulo
Population Comparison
Philadelphia has 7.7x fewer people than São Paulo
In terms of area, São Paulo is 4.1x the size of Philadelphia. São Paulo spans 1,521 km² (587 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 1,151 km². You could fit Philadelphia inside São Paulo approximately 4 times.
To put Philadelphia's size in perspective, its area of 370 km² is about 1.6x smaller than Seoul. Meanwhile, São Paulo at 1,521 km² is roughly the same size as London.
Philadelphia's footprint is roughly about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park — pick whichever unit feels intuitive. São Paulo works out to about 213,000 American football fields, 26 times the area of Manhattan, or 14 times the area of Paris.
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.
Known as "Philly", Philadelphia covers 370 km² with a population of 1.6 million. The city was established in 1682. Philadelphia is known for Liberty Bell, Independence Hall, Philly Cheesesteak, among other attractions.
Philadelphia is the sixth-most populous US city, with an estimated 1,574,281 residents as of July 2025.
São Paulo is the capital city of the state of the same name, as well as the most populous city in Brazil, South America, the Americas, and in both the Western and Southern Hemispheres. The city exerts international influence in commerce, finance, culture, gastronomy, arts, fashion, technology, entertainment and media, having been listed by UNESCO's Creative Cities Network as a "City of Film" and the title of "World Capital of Gastronomy", and by the Globalization and World Cities Research…
Often called "Sampa", São Paulo has an area of 1,521 km² and is home to 12.3 million people. The city dates back to 1554. Visitors come for Avenida Paulista, Ibirapuera Park, São Paulo Museum of Art, and much more. Getting around is easy with the São Paulo Metro.
São Paulo is the most populous city in Brazil, the Americas, and both the Western and Southern Hemispheres.
Philadelphia has a population density of 4,324 people per km² — a moderately dense city. São Paulo, with 8,107 people per km², is a densely populated city. São Paulo is noticeably denser, packing 1.9 times more people per square kilometer.
Size Ratio
Philadelphia fits inside São Paulo ~4 times
Density Gap
São Paulo is 1.9x more densely populated
History
São Paulo is ~128 years older
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).
São Paulo covers 1,521 km². Cities with a similar urban footprint include Mexico City (1,485 km²), Delhi (1,484 km²), Bangkok (1,569 km²), London (1,572 km²), or Bogotá (1,578 km²).
The straight-line distance from Philadelphia to São Paulo is 7,656 km (4,757 miles), with an estimated flight time of ~9h 30m.
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