Hong Kong
1,114 km²
Johannesburg
1,644 km²
China
South Africa
Area Comparison
Hong Kong is 1.5x smaller than Johannesburg
Population Comparison
Hong Kong has 1.5x more people than Johannesburg
Johannesburg is significantly larger, covering 1.5 times the area of Hong Kong. Johannesburg spans 1,644 km² (635 mi²) while Hong Kong covers 1,114 km² (430 mi²) — a difference of 530 km².
To put Hong Kong's size in perspective, its area of 1,114 km² is about 1.2x the size of Berlin. Meanwhile, Johannesburg at 1,644 km² is roughly the same size as London.
Picture Hong Kong another way: its area is large enough to fit about 156,000 American football fields, 19 times the area of Manhattan, or 11 times the area of Paris. For Johannesburg, that's about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris.
Hong Kong is a special administrative region of China. Situated on China's southern coast just south of Shenzhen, it consists of Hong Kong Island, Kowloon, and the New Territories. With 7.5 million residents in a 1,114-square-kilometre (430 sq mi) territory, Hong Kong is the fourth-most densely populated region in the world.
Known as "Pearl of the Orient", Hong Kong covers 1,114 km² with a population of 7.4 million. The city was established in 1841. Hong Kong is known for Victoria Harbour, Victoria Peak, Star Ferry, among other attractions. The city's main transit system is the MTR Hong Kong.
Hong Kong squeezes 7.5 million residents into 1,114 km2, making it the world's fourth-most densely populated region.
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.
Hong Kong has a population density of 6,652 people per km² — a densely populated city. Johannesburg, with 2,920 people per km², is a moderately dense city. Hong Kong is noticeably denser, packing 2.3 times more people per square kilometer.
Density Gap
Hong Kong is 2.3x more densely populated
Hong Kong covers 1,114 km². Cities with a similar urban footprint include Lagos (1,172 km²), San Antonio (1,209 km²), Rio de Janeiro (1,221 km²), Dallas (997 km²), or Abu Dhabi (972 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 Hong Kong to Johannesburg is 10,720 km (6,661 miles), with an estimated flight time of ~13h 7m.
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