Buenos Aires
203 km²
Cairo
3,085 km²
Argentina
Egypt
Area Comparison
Buenos Aires is 15.2x smaller than Cairo
Population Comparison
Buenos Aires has 3.3x fewer people than Cairo
Yes — Cairo is 15.2x larger than Buenos Aires by area. Cairo spans 3,085 km² (1,191 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 2,882 km². You could fit Buenos Aires inside Cairo approximately 15 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Cairo at 3,085 km² is about 1.2x the size of Luxembourg.
Buenos Aires's footprint is roughly about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park — pick whichever unit feels intuitive. For Cairo, that's about 432,000 American football fields, 52 times the area of Manhattan, or 29 times the area of Paris.
Buenos Aires, officially the Autonomous City of Buenos Aires, is the capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− global city, according to the GaWC 2024 ranking. The city proper has a population of 3.1 million and its urban area has a population of 16.7 million, making it the 21st most populous metropolitan area in the world.
Known as "Paris of South America", Buenos Aires covers 203 km² with a population of 3.1 million. The city was established in 1536. Buenos Aires is known for La Boca's Caminito, Recoleta Cemetery, Teatro Colón, among other attractions. The city's main transit system is the Buenos Aires Subte.
Buenos Aires is classified as an Alpha− global city according to the GaWC 2024 ranking.
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.
Nicknamed "The City of a Thousand Minarets", Cairo has an area of 3,085 km² and is home to 10.1 million people. It was established in 969. Visitors come for Pyramids of Giza, Great Sphinx, Egyptian Museum, and much more. Getting around is easy with 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.
Looking beyond city limits, the Cairo metropolitan area covers 6,588 km², which is 1.4x larger than greater Buenos Aires at 4,758 km². The Cairo metro area is also more populous, with 21.3 million people compared to 15.2 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Cairo, with 3,274 people per km², is a moderately dense city. Buenos Aires is dramatically more crowded, with 4.6x the population density.
This comparison spans continents — Buenos Aires in South America versus Cairo in Africa. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Buenos Aires has a humid subtropical climate while Cairo experiences hot desert conditions. When it's noon in Cairo, it's 7:00 AM in Buenos Aires — a 5-hour time difference.
Size Ratio
Buenos Aires fits inside Cairo ~15 times
Density Gap
Buenos Aires is 4.6x more densely populated
Time Difference
5 hours apart
History
Cairo is ~567 years older
Buenos Aires covers 203 km². Cities with a similar urban footprint include Helsinki (214 km²), Amsterdam (219 km²), Stockholm (188 km²), Osaka (225 km²), or Boston (232 km²).
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).
The straight-line distance from Buenos Aires to Cairo is 11,813 km (7,340 miles), with an estimated flight time of ~14h 24m.
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