Johannesburg
1,644 km²
Phoenix
1,341 km²
South Africa
United States
Area Comparison
Johannesburg is 1.2x larger than Phoenix
Population Comparison
Johannesburg has 3.0x more people than Phoenix
Yes — Johannesburg is 1.2x larger than Phoenix by area. Johannesburg spans 1,644 km² (635 mi²) while Phoenix covers 1,341 km² (518 mi²) — a difference of 303 km².
To put Johannesburg's size in perspective, its area of 1,644 km² is roughly the same size as London. Meanwhile, Phoenix at 1,341 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. Phoenix, by comparison, equals about 188,000 American football fields, 23 times the area of Manhattan, or 13 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.
Phoenix is the capital and most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, Phoenix is the fifth-most populous city in the United States and the most populous state capital. The Phoenix metropolitan area, with an estimated 5.19 million residents, is the tenth-most populous metropolitan area in the U.S. and the most populous in the Mountain states and Southwest.
Nicknamed "Valley of the Sun", Phoenix has an area of 1,341 km² and is home to 1.6 million people. It was established in 1868. Visitors come for Camelback Mountain, Desert Botanical Garden, Heard Museum, and much more.
Phoenix is the most populous U.S. state capital and the fifth-largest city in the country with 1.6 million residents.
Johannesburg has a population density of 2,920 people per km² — a moderately dense city. Phoenix, with 1,201 people per km², is a relatively spread-out city. Johannesburg is noticeably denser, packing 2.4 times more people per square kilometer.
Density Gap
Johannesburg is 2.4x more densely populated
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).
Phoenix covers 1,341 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Rome (1,285 km²), Rio de Janeiro (1,221 km²), Delhi (1,484 km²), or Mexico City (1,485 km²).
The straight-line distance from Johannesburg to Phoenix is 16,109 km (10,010 miles), with an estimated flight time of ~19h 27m.
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