Hong Kong
1,114 km²
Nairobi
696 km²
China
Kenya
Area Comparison
Hong Kong is 1.6x larger than Nairobi
Population Comparison
Hong Kong has 1.6x more people than Nairobi
In terms of area, Hong Kong is 1.6x the size of Nairobi. Hong Kong spans 1,114 km² (430 mi²) while Nairobi covers 696 km² (269 mi²) — a difference of 418 km².
To put Hong Kong's size in perspective, its area of 1,114 km² is about 1.2x the size of Berlin. Meanwhile, Nairobi at 696 km² is about 1.1x smaller than New York City.
Hong Kong's footprint is roughly about 156,000 American football fields, 19 times the area of Manhattan, or 11 times the area of Paris — pick whichever unit feels intuitive. Nairobi works out to about 97,000 American football fields, 12 times the area of Manhattan, or 7 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.
Nairobi is the capital and largest city of Kenya, located in the south-central part of the country. As of 2024, it has a population of 4.8 million and a metropolitan population of 5.7 million, making it the 11th most populous city in Africa. Nicknamed the "Green City under the Sun", Nairobi is uniquely notable for being the only capital city in the world that hosts a national park within its boundaries. Its name originates from the Maasai phrase Enkare Nyirobi, meaning "place of cool waters".
Often called "Green City under the Sun", Nairobi has an area of 696 km² and is home to 4.7 million people. The city dates back to 1899. Visitors come for Nairobi National Park, Giraffe Centre, Karen Blixen Museum, and much more. Getting around is easy with the Nairobi Commuter Rail.
Nairobi is the only capital city in the world that hosts a national park within its boundaries.
Hong Kong has a population density of 6,652 people per km² — a densely populated city. Nairobi, with 6,796 people per km², is a densely populated city. Both cities have comparable density, though Nairobi is slightly more compact.
This comparison spans continents — Hong Kong in Asia versus Nairobi in Africa. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Hong Kong has a humid subtropical climate while Nairobi experiences subtropical highland conditions. Summers are notably different: Hong Kong averages 29°C compared to 20°C in Nairobi. When it's noon in Hong Kong, it's 7:00 AM in Nairobi — a 5-hour time difference.
Time Difference
5 hours apart
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).
Nairobi covers 696 km². Cities with a similar urban footprint include Tehran (730 km²), Jakarta (662 km²), Singapore (733 km²), Bangalore (741 km²), or Hyderabad (650 km²).
The straight-line distance from Hong Kong to Nairobi is 8,764 km (5,445 miles), with an estimated flight time of ~10h 49m.
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