Madrid
604 km²
Philadelphia
370 km²
Spain
United States
Area Comparison
Madrid is 1.6x larger than Philadelphia
Population Comparison
Madrid has 2.1x more people than Philadelphia
In terms of area, Madrid is 1.6x the size of Philadelphia. Madrid spans 604 km² (233 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 234 km².
To put Madrid's size in perspective, its area of 604 km² is roughly the same size as Seoul. Meanwhile, Philadelphia at 370 km² is about 1.6x smaller than Seoul.
Madrid's footprint is roughly about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan — pick whichever unit feels intuitive. Philadelphia works out to about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Madrid is the capital and most populous city of Spain. It had a population of over 3.4 million in the city proper in 2025, and a metropolitan area population of approximately 6.8 million. Madrid is the second-largest city in the European Union (EU), after Berlin, and its metropolitan area is the second-largest in the EU, after Paris. The municipality covers an area of 605.77 square kilometres (233.89 sq mi).
Known as "La Villa y Corte", Madrid covers 604 km² with a population of 3.3 million. The city was established in 852. Madrid is known for Royal Palace of Madrid, Prado Museum, Plaza Mayor, among other attractions. The city's main transit system is the Madrid Metro.
Madrid is the second-largest city in the European Union after Berlin, with over 3.4 million residents in the city proper
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.
Nicknamed "Philly", Philadelphia has an area of 370 km² and is home to 1.6 million people. It was established in 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.
Madrid has a population density of 5,513 people per km² — a densely populated city. Philadelphia, with 4,324 people per km², is a moderately dense city. Both cities have comparable density, though Madrid is slightly more compact.
History
Madrid is ~830 years older
Madrid covers 604 km². Cities with a similar urban footprint include Seoul (605 km²), Mumbai (603 km²), Chicago (606 km²), Toronto (630 km²), or Hyderabad (650 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 Madrid to Philadelphia is 5,893 km (3,661 miles), with an estimated flight time of ~7h 26m.
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