Philadelphia
370 km²
Santiago
838 km²
United States
Chile
Area Comparison
Philadelphia is 2.3x smaller than Santiago
Population Comparison
Philadelphia has 3.9x fewer people than Santiago
Yes — Santiago is 2.3x larger than Philadelphia by area. Santiago spans 838 km² (324 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 468 km². You could fit Philadelphia inside Santiago approximately 2 times.
To put Philadelphia's size in perspective, its area of 370 km² is about 1.6x smaller than Seoul. Meanwhile, Santiago at 838 km² is roughly the same size as Berlin.
In more relatable units, Philadelphia's 370 km² is about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park. Santiago works out to about 117,000 American football fields, 14 times the area of Manhattan, or 8 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.
Santiago, also known as Santiago de Chile, is the capital and largest city of Chile and one of the largest cities in the Americas. Located in the Chilean Central Valley within the Santiago Basin, between the Andes to the east and the Chilean Coastal Range to the west, it anchors the Santiago Metropolitan Region and its conurbation of Greater Santiago, which comprises more than forty communes and concentrates over a third of the national population and around 45% of Chile's GDP.
Also known as "Santiago de Chile", Santiago has an area of 838 km² and is home to 6.3 million people. It was established in 1541. Visitors come for Cerro San Cristóbal, Gran Torre Santiago, Plaza de Armas, and much more.
Santiago sits in the Chilean Central Valley between the Andes and the Coastal Range, anchoring over a third of Chile's population.
Philadelphia has a population density of 4,324 people per km² — a moderately dense city. Santiago, with 7,470 people per km², is a densely populated city. Santiago is noticeably denser, packing 1.7 times more people per square kilometer.
Size Ratio
Philadelphia fits inside Santiago ~2 times
Density Gap
Santiago is 1.7x more densely populated
History
Santiago is ~141 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).
Santiago covers 838 km². Cities with a similar urban footprint include Kyoto (828 km²), Berlin (892 km²), New York (783 km²), Hamburg (755 km²), or Bangalore (741 km²).
The straight-line distance from Philadelphia to Santiago is 8,174 km (5,079 miles), with an estimated flight time of ~10h 7m.
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