Cairo
3,085 km²
Philadelphia
370 km²
Egypt
United States
Area Comparison
Cairo is 8.3x larger than Philadelphia
Population Comparison
Cairo has 6.3x more people than Philadelphia
In terms of area, Cairo is 8.3x the size of Philadelphia. Cairo spans 3,085 km² (1,191 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 2,715 km². You could fit Philadelphia inside Cairo approximately 8 times.
To put Cairo's size in perspective, its area of 3,085 km² is about 1.2x the size of Luxembourg. Meanwhile, Philadelphia at 370 km² is about 1.6x smaller than Seoul.
In more relatable units, Cairo's 3,085 km² is about 432,000 American football fields, 52 times the area of Manhattan, or 29 times the area of Paris. Philadelphia works out to about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Cairo is the capital and largest city of Egypt and the Cairo Governorate. It is home to more than 9.8 million people. It is also part of the largest urban agglomeration in Africa, the Arab world, and the Middle East. The Greater Cairo metropolitan area is one of the largest in the world by population with over 22 million people. Areas of what would become Cairo were inhabited from pre-dynastic and early-dynastic ancient Egypt c.
Known as "The City of a Thousand Minarets", Cairo covers 3,085 km² with a population of 10.1 million. The city was established in 969. Cairo is known for Pyramids of Giza, Great Sphinx, Egyptian Museum, among other attractions. The city's main transit system is the Cairo Metro.
Cairo is home to more than 9.8 million people and is part of the largest urban agglomeration in Africa and the Arab world.
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.
Often called "Philly", Philadelphia has an area of 370 km² and is home to 1.6 million people. The city dates back to 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.
Cairo has a population density of 3,274 people per km² — a moderately dense city. Philadelphia, with 4,324 people per km², is a moderately dense city. Both cities have comparable density, though Philadelphia is slightly more compact.
Size Ratio
Philadelphia fits inside Cairo ~8 times
Density Gap
Philadelphia is 1.3x more densely populated
History
Cairo is ~713 years older
Cairo covers 3,085 km². Cities with a similar urban footprint include Hanoi (3,359 km²), Karachi (3,527 km²), Lima (2,672 km²), Moscow (2,511 km²), or Cape Town (2,455 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 Cairo to Philadelphia is 9,150 km (5,686 miles), with an estimated flight time of ~11h 16m.
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