Johannesburg
1,644 km²
Tehran
730 km²
South Africa
Iran
Area Comparison
Johannesburg is 2.3x larger than Tehran
Population Comparison
Johannesburg has 1.9x fewer people than Tehran
Yes — Johannesburg is 2.3x larger than Tehran by area. Johannesburg spans 1,644 km² (635 mi²) while Tehran covers 730 km² (282 mi²) — a difference of 914 km². You could fit Tehran inside Johannesburg approximately 2 times.
To put Johannesburg's size in perspective, its area of 1,644 km² is roughly the same size as London. Meanwhile, Tehran at 730 km² is roughly the same size as New York City.
Picture Johannesburg another way: its area is large enough to fit about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris. Tehran works out to about 102,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris.
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.
Known as "Jozi", Johannesburg covers 1,644 km² with a population of 4.8 million. The city was established in 1886. Johannesburg is known for Apartheid Museum, Soweto township, Constitutional Court, among other attractions.
Johannesburg ranks among the world's 100 largest urban areas, with a metro population of about 6.6 million.
Tehran is the capital and largest city of Iran. It is also the capital of Tehran province and the administrative center for Tehran County and its Central District. With a population of around 9 million in the city, and 16.8 million in the metropolitan area, Tehran is the most populous city in Iran and West Asia, the second-largest metropolitan area in the Middle East after Cairo, and the 24th-most-populous metropolitan area in the world.
Tehran has an area of 730 km² and is home to 9.1 million people. Its history stretches back to 1524. Visitors come for Azadi Tower, Milad Tower, Golestan Palace, and much more. Getting around is easy with the Tehran Metro.
Tehran's metropolitan area holds 16.8 million people, making it the second-largest metropolitan area in the Middle East after Cairo.
Johannesburg has a population density of 2,920 people per km² — a moderately dense city. Tehran, with 12,507 people per km², is an extremely dense urban environment. Tehran is dramatically more crowded, with 4.3x the population density.
Size Ratio
Tehran fits inside Johannesburg ~2 times
Density Gap
Tehran is 4.3x more densely populated
History
Tehran is ~362 years older
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).
Tehran covers 730 km². Cities with a similar urban footprint include Singapore (733 km²), Bangalore (741 km²), Hamburg (755 km²), Nairobi (696 km²), or New York (783 km²).
The straight-line distance from Johannesburg to Tehran is 7,306 km (4,540 miles), with an estimated flight time of ~9h 6m.
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