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Egypt
Brazil
Area Comparison
Cairo is 2.5x larger than Rio de Janeiro
Population Comparison
Cairo has 1.5x more people than Rio de Janeiro
Yes — Cairo is 2.5x larger than Rio de Janeiro by area. Cairo spans 3,085 km² (1,191 mi²) while Rio de Janeiro covers 1,221 km² (471 mi²) — a difference of 1,864 km². You could fit Rio de Janeiro inside Cairo approximately 2 times.
To put Cairo's size in perspective, its area of 3,085 km² is about 1.2x the size of Luxembourg. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Egypt's capital and the largest city in the Arab world. 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, Egyptian Museum, Khan el-Khalili bazaar, among other attractions. The city's main transit system is the Cairo Metro.
Cairo is the only major city in the world where you can see ancient pyramids from the city center
Brazil's iconic coastal city known for Carnival. Nicknamed "The Marvelous City", Rio de Janeiro has an area of 1,221 km² and is home to 6.8 million people. It was established in 1565. Visitors come for Christ the Redeemer, Copacabana Beach, Carnival, and much more. Getting around is easy with the MetrôRio.
Rio's Christ the Redeemer statue is struck by lightning an average of 6 times per year
Looking beyond city limits, the Rio de Janeiro metropolitan area covers 6,744 km², which is 1.0x larger than greater Cairo at 6,588 km². The Cairo metro area is also more populous, with 21.3 million people compared to 13.5 million.
Cairo has a population density of 3,274 people per km² — a moderately dense city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Rio de Janeiro is noticeably denser, packing 1.7 times more people per square kilometer.
This comparison spans continents — Cairo in Africa versus Rio de Janeiro in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Cairo has a hot desert climate while Rio de Janeiro experiences tropical savanna conditions. When it's noon in Cairo, it's 7:00 AM in Rio de Janeiro — a 5-hour time difference.
Size Ratio
Rio de Janeiro fits inside Cairo ~2 times
Density Gap
Rio de Janeiro is 1.7x more densely populated
Time Difference
5 hours apart
History
Cairo is ~596 years older
The straight-line distance from Cairo to Rio de Janeiro is 9,884 km (6,141 miles), with an estimated flight time of ~12h 8m. See full distance details, including timezone difference and city facts.
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