Johannesburg
1,644 km²
Prague
496 km²
South Africa
Czech Republic
Area Comparison
Johannesburg is 3.3x larger than Prague
Population Comparison
Johannesburg has 3.4x more people than Prague
Johannesburg is significantly larger, covering 3.3 times the area of Prague. Johannesburg spans 1,644 km² (635 mi²) while Prague covers 496 km² (192 mi²) — a difference of 1,148 km². You could fit Prague inside Johannesburg approximately 3 times.
To put Johannesburg's size in perspective, its area of 1,644 km² is roughly the same size as London. Meanwhile, Prague at 496 km² is about 1.2x smaller than Seoul.
Johannesburg's footprint is roughly about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris — pick whichever unit feels intuitive. Prague, by comparison, equals about 69,000 American football fields, 150 times the area of Central Park, or 8 times the area of Manhattan.
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.
Prague is the capital and largest city of the Czech Republic and the historical capital of Bohemia. Located on the Vltava River, the city has a population of about 1.4 million, making it the twelfth-largest city in the European Union. Its metropolitan area is home to approximately 2.3 million people.
Also known as "The City of a Hundred Spires", Prague has an area of 496 km² and is home to 1.4 million people. The city dates back to 800. Visitors come for Charles Bridge, Prague Castle, Old Town Square, and much more.
Prague is the historical capital of Bohemia and today serves as the Czech Republic's capital and largest city.
Johannesburg has a population density of 2,920 people per km² — a moderately dense city. Prague, with 2,823 people per km², is a moderately dense city. Both cities have comparable density, though Johannesburg is slightly more compact.
Size Ratio
Prague fits inside Johannesburg ~3 times
History
Prague is ~1,086 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).
Prague covers 496 km². Cities with a similar urban footprint include Montreal (498 km²), Warsaw (517 km²), Budapest (525 km²), Oslo (454 km²), or Auckland (559 km²).
The straight-line distance from Johannesburg to Prague is 8,589 km (5,337 miles), with an estimated flight time of ~10h 36m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.