Philadelphia
370 km²
Taipei
272 km²
United States
Taiwan
Area Comparison
Philadelphia is 1.4x larger than Taipei
Population Comparison
Philadelphia has 1.7x fewer people than Taipei
Philadelphia is significantly larger, covering 1.4 times the area of Taipei. Philadelphia spans 370 km² (143 mi²) while Taipei covers 272 km² (105 mi²) — a difference of 98 km².
To put Philadelphia's size in perspective, its area of 370 km² is about 1.6x smaller than Seoul. Meanwhile, Taipei at 272 km² is about 1.2x the size of Amsterdam.
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. For Taipei, that's about 38,000 American football fields, 130 times the area of Monaco, or 80 times the area of Central Park.
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.
Taipei, officially Taipei City, is the capital and a special municipality of Taiwan. Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about 25 kilometres (16 mi) southwest of the northern port city of Keelung. Most of the city rests on the Taipei Basin, an ancient lakebed. The basin is bounded by the relatively narrow valleys of the Keelung and Xindian rivers, which join to form the Tamsui River along the city's western border.
Taipei has an area of 272 km² and is home to 2.6 million people. The city dates back to 1709. Visitors come for Taipei 101 tower, Chiang Kai-shek Memorial, Shilin Night Market, and much more. Getting around is easy with the Taipei Metro (MRT).
Most of Taipei rests on the Taipei Basin, an ancient lakebed bounded by narrow river valleys.
Philadelphia has a population density of 4,324 people per km² — a moderately dense city. Taipei, with 9,743 people per km², is a densely populated city. Taipei is noticeably denser, packing 2.3 times more people per square kilometer.
Density Gap
Taipei is 2.3x more densely populated
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).
Taipei covers 272 km². Cities with a similar urban footprint include Edinburgh (259 km²), Kuala Lumpur (243 km²), Munich (311 km²), Boston (232 km²), or Osaka (225 km²).
The straight-line distance from Philadelphia to Taipei is 12,584 km (7,819 miles), with an estimated flight time of ~15h 18m.
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