Helsinki
214 km²
Nairobi
696 km²
Finland
Kenya
Area Comparison
Helsinki is 3.3x smaller than Nairobi
Population Comparison
Helsinki has 6.9x fewer people than Nairobi
Nairobi is significantly larger, covering 3.3 times the area of Helsinki. Nairobi spans 696 km² (269 mi²) while Helsinki covers 214 km² (83 mi²) — a difference of 482 km². You could fit Helsinki inside Nairobi approximately 3 times.
To put Helsinki's size in perspective, its area of 214 km² is roughly the same size as Amsterdam. Meanwhile, Nairobi at 696 km² is about 1.1x smaller than New York City.
Picture Helsinki another way: its area is large enough to fit about 30,000 American football fields, 110 times the area of Monaco, or 63 times the area of Central Park. Nairobi, by comparison, equals about 97,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris.
Helsinki is the capital and most populous city in Finland. It is on the shore of the Gulf of Finland and is the seat of southern Finland's Uusimaa region. About 694,000 people live in the municipality, with 1.3 million in the capital region and 1.6 million in the metropolitan area. As the most populous urban area in Finland, it is the country's most significant centre for politics, education, finance, culture, and research.
Known as "Daughter of the Baltic", Helsinki covers 214 km² with a population of 0.7 million. The city was established in 1550. Helsinki is known for Helsinki Cathedral, Suomenlinna fortress, Temppeliaukio Church, among other attractions.
Helsinki sits on the shore of the Gulf of Finland and serves as the capital of Finland's Uusimaa 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".
Nicknamed "Green City under the Sun", Nairobi has an area of 696 km² and is home to 4.7 million people. Its history stretches 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.
Helsinki has a population density of 3,224 people per km² — a moderately dense city. Nairobi, with 6,796 people per km², is a densely populated city. Nairobi is noticeably denser, packing 2.1 times more people per square kilometer.
Helsinki has a warm-summer humid continental climate climate while Nairobi experiences subtropical highland conditions.
Size Ratio
Helsinki fits inside Nairobi ~3 times
Density Gap
Nairobi is 2.1x more densely populated
History
Helsinki is ~349 years older
Helsinki covers 214 km². Cities with a similar urban footprint include Amsterdam (219 km²), Osaka (225 km²), Buenos Aires (203 km²), Boston (232 km²), or Kuala Lumpur (243 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 Helsinki to Nairobi is 6,911 km (4,295 miles), with an estimated flight time of ~8h 38m.
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