Philadelphia
370 km²
Prague
496 km²
United States
Czech Republic
Area Comparison
Philadelphia is 1.3x smaller than Prague
Population Comparison
Philadelphia has 1.1x more people than Prague
Yes — Prague is 1.3x larger than Philadelphia by area. Prague spans 496 km² (192 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 126 km².
To put Philadelphia's size in perspective, its area of 370 km² is about 1.6x smaller than Seoul. Meanwhile, Prague at 496 km² is about 1.2x smaller than Seoul.
Picture Philadelphia another way: its area is large enough to fit about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park. Prague, by comparison, equals about 69,000 American football fields, 150 times the area of Central Park, or 8 times the area of Manhattan.
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.
Prague is the capital and largest city of the Czech Republic and the historical capital of Bohemia. Located on the Vltava River, the city has a population of about 1.4 million, making it the twelfth-largest city in the European Union. Its metropolitan area is home to approximately 2.3 million people.
Also known as "The City of a Hundred Spires", Prague has an area of 496 km² and is home to 1.4 million people. Its history stretches back to 800. Visitors come for Charles Bridge, Prague Castle, Old Town Square, and much more.
Prague is the historical capital of Bohemia and today serves as the Czech Republic's capital and largest city.
Philadelphia has a population density of 4,324 people per km² — a moderately dense city. Prague, with 2,823 people per km², is a moderately dense city. Philadelphia is noticeably denser, packing 1.5 times more people per square kilometer.
Density Gap
Philadelphia is 1.5x more densely populated
History
Prague is ~882 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).
Prague covers 496 km². Cities with a similar urban footprint include Montreal (498 km²), Warsaw (517 km²), Budapest (525 km²), Oslo (454 km²), or Auckland (559 km²).
The straight-line distance from Philadelphia to Prague is 6,700 km (4,163 miles), with an estimated flight time of ~8h 23m.
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