Cairo
3,085 km²
Johannesburg
1,644 km²
Egypt
South Africa
Area Comparison
Cairo is 1.9x larger than Johannesburg
Population Comparison
Cairo has 2.1x more people than Johannesburg
In terms of area, Cairo is 1.9x the size of Johannesburg. Cairo spans 3,085 km² (1,191 mi²) while Johannesburg covers 1,644 km² (635 mi²) — a difference of 1,441 km².
To put Cairo's size in perspective, its area of 3,085 km² is about 1.2x the size of Luxembourg. Meanwhile, Johannesburg at 1,644 km² is roughly the same size as London.
Picture Cairo another way: its area is large enough to fit about 432,000 American football fields, 52 times the area of Manhattan, or 29 times the area of Paris. Johannesburg works out to about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris.
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.
Johannesburg, colloquially known as Jozi, Joburg or "The City of Gold", is the most populous city in South Africa. The City of Johannesburg itself has a population of 5,538,596, while the City of Johannesburg Metropolitan Municipality has a population of 6,599,190, making it one of the 100 largest urban areas in the world. Johannesburg is the provincial capital of Gauteng, the wealthiest province in South Africa, and seat of the country's highest court, the Constitutional Court.
Often called "Jozi", Johannesburg has an area of 1,644 km² and is home to 4.8 million people. The city dates back to 1886. Visitors come for Apartheid Museum, Soweto township, Constitutional Court, and much more.
Johannesburg ranks among the world's 100 largest urban areas, with a metro population of about 6.6 million.
Cairo has a population density of 3,274 people per km² — a moderately dense city. Johannesburg, with 2,920 people per km², is a moderately dense city. Both cities have comparable density, though Cairo is slightly more compact.
History
Cairo is ~917 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).
Johannesburg covers 1,644 km². Cities with a similar urban footprint include Bogotá (1,578 km²), London (1,572 km²), Bangkok (1,569 km²), Houston (1,725 km²), or São Paulo (1,521 km²).
The straight-line distance from Cairo to Johannesburg is 6,264 km (3,892 miles), with an estimated flight time of ~7h 52m.
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