Johannesburg
1,644 km²
Mexico City
1,485 km²
South Africa
Mexico
Area Comparison
Johannesburg is 1.1x larger than Mexico City
Population Comparison
Johannesburg has 1.9x fewer people than Mexico City
In terms of area, Johannesburg is 1.1x the size of Mexico City. Johannesburg spans 1,644 km² (635 mi²) while Mexico City covers 1,485 km² (573 mi²) — a difference of 159 km².
To put Johannesburg's size in perspective, its area of 1,644 km² is roughly the same size as London. Meanwhile, Mexico City at 1,485 km² is roughly the same size as London.
In more relatable units, Johannesburg's 1,644 km² is about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris. Mexico City works out to about 208,000 American football fields, 25 times the area of Manhattan, or 14 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.
Mexico City is the capital and most populous city of Mexico, as well as the most populous city in North America. It is one of the most important cultural and financial centers in the world, and is classified as an Alpha world city according to the Globalization and World Cities Research Network (GaWC) 2024 ranking. Mexico City is located in the Valley of Mexico within the high Mexican central plateau, at an altitude of 2,240 meters.
Nicknamed "CDMX", Mexico City has an area of 1,485 km² and is home to 9.2 million people. Its history stretches back to 1325. Visitors come for Zocalo square, Chapultepec Park, Frida Kahlo Museum, and much more. Getting around is easy with the Mexico City Metro.
Mexico City sits at an altitude of 2,240 meters in the Valley of Mexico on the high Mexican central plateau.
Johannesburg has a population density of 2,920 people per km² — a moderately dense city. Mexico City, with 6,202 people per km², is a densely populated city. Mexico City is noticeably denser, packing 2.1 times more people per square kilometer.
Density Gap
Mexico City is 2.1x more densely populated
History
Mexico City is ~561 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).
Mexico City covers 1,485 km². Cities with a similar urban footprint include Delhi (1,484 km²), São Paulo (1,521 km²), Bangkok (1,569 km²), London (1,572 km²), or Bogotá (1,578 km²).
The straight-line distance from Johannesburg to Mexico City is 14,585 km (9,063 miles), with an estimated flight time of ~17h 40m.
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