Chengdu
14,378 km²
Johannesburg
1,644 km²
People's Republic of China
South Africa
Area Comparison
Chengdu is 8.7x larger than Johannesburg
Population Comparison
Chengdu has 4.4x more people than Johannesburg
In terms of area, Chengdu is 8.7x the size of Johannesburg. Chengdu spans 14,378 km² (5,551 mi²) while Johannesburg covers 1,644 km² (635 mi²) — a difference of 12,734 km². You could fit Johannesburg inside Chengdu approximately 8 times.
To put Chengdu's size in perspective, its area of 14,378 km² is about 2.3x the size of Shanghai. Meanwhile, Johannesburg at 1,644 km² is roughly the same size as London.
Picture Chengdu another way: its area is large enough to fit about 2,000,000 American football fields, 140 times the area of Paris, or 120 times the area of San Francisco. For Johannesburg, that's about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris.
Chengdu is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 census, it is the fourth most populous city in China, and it is the only city with a population of over 20 million apart from provincial-level municipalities. It is traditionally the hub of Western China.
Known as "Land of Abundance", Chengdu covers 14,378 km² with a population of 20.9 million. The city was founded around 310 BC. Chengdu is known for Giant Panda Breeding Base, Jinli Ancient Street, Wuhou Shrine, among other attractions.
Chengdu has a population of over 20.9 million, making it the fourth most populous city in China.
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.
Nicknamed "Jozi", Johannesburg has an area of 1,644 km² and is home to 4.8 million people. Its history stretches back to 1886. Visitors come for Apartheid Museum, Soweto township, Constitutional Court, and much more.
Johannesburg ranks among the world's 100 largest urban areas, with a metro population of about 6.6 million.
Chengdu has a population density of 1,456 people per km² — a relatively spread-out city. Johannesburg, with 2,920 people per km², is a moderately dense city. Johannesburg is noticeably denser, packing 2.0 times more people per square kilometer.
Size Ratio
Johannesburg fits inside Chengdu ~8 times
Density Gap
Johannesburg is 2.0x more densely populated
History
Chengdu is ~2,196 years older
Chengdu covers 14,378 km². Cities with a similar urban footprint include Brisbane (15,826 km²), Beijing (16,411 km²), Sydney (12,368 km²), Hangzhou (16,854 km²), or Xi'an (10,097 km²).
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).
The straight-line distance from Chengdu to Johannesburg is 10,254 km (6,372 miles), with an estimated flight time of ~12h 34m.
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