Johannesburg
1,644 km²
Rome
1,285 km²
South Africa
Italy
Area Comparison
Johannesburg is 1.3x larger than Rome
Population Comparison
Johannesburg has 1.7x more people than Rome
Johannesburg is significantly larger, covering 1.3 times the area of Rome. Johannesburg spans 1,644 km² (635 mi²) while Rome covers 1,285 km² (496 mi²) — a difference of 359 km².
To put Johannesburg's size in perspective, its area of 1,644 km² is roughly the same size as London. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
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. For Rome, that's about 180,000 American football fields, 22 times the area of Manhattan, or 12 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.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Often called "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. Its history stretches back to 753 BC. Visitors come for Colosseum, Vatican City, Trevi Fountain, and much more. Getting around is easy with the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
Johannesburg has a population density of 2,920 people per km² — a moderately dense city. Rome, with 2,233 people per km², is a moderately dense city. Both cities have comparable density, though Johannesburg is slightly more compact.
Density Gap
Johannesburg is 1.3x more densely populated
History
Rome is ~2,639 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).
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
The straight-line distance from Johannesburg to Rome is 7,740 km (4,809 miles), with an estimated flight time of ~9h 36m.
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