Mumbai
603 km²
Nairobi
696 km²
India
Kenya
Area Comparison
Mumbai is 1.2x smaller than Nairobi
Population Comparison
Mumbai has 2.6x more people than Nairobi
In terms of area, Nairobi is 1.2x the size of Mumbai. Nairobi spans 696 km² (269 mi²) while Mumbai covers 603 km² (233 mi²) — a difference of 93 km².
To put Mumbai's size in perspective, its area of 603 km² is roughly the same size as Seoul. Meanwhile, Nairobi at 696 km² is about 1.1x smaller than New York City.
Mumbai's footprint is roughly about 84,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan — 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.
Mumbai, also known as Bombay, is the capital city of the Indian state of Maharashtra. Mumbai is the financial capital and the most populous city proper of India, with an estimated population of 12.5 million (1.25 crore). Mumbai is the centre of the Mumbai Metropolitan Region, which is among the most populous metropolitan areas in the world with a population of over 23 million. Mumbai lies on the Konkan coast on the west coast of India and has a deep natural harbour.
Known as "Bombay", Mumbai covers 603 km² with a population of 12.4 million. The city was established in 1507. Mumbai is known for Gateway of India, Marine Drive, Bollywood, among other attractions. The city's main transit system is the Mumbai Suburban Railway.
Mumbai is the most populous city proper in India and serves as the country's financial capital with around 12.5 million residents.
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. 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.
Looking beyond city limits, the Mumbai metropolitan area covers 6,355 km², which is 9.1x larger than greater Nairobi at 696 km². The Mumbai metro area is also more populous, with 20.7 million people compared to 4.7 million.
Mumbai has a population density of 20,630 people per km² — one of the most densely packed urban areas on Earth. Nairobi, with 6,796 people per km², is a densely populated city. Mumbai is dramatically more crowded, with 3.0x the population density.
This comparison spans continents — Mumbai in Asia versus Nairobi in Africa. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Mumbai has a tropical wet and dry climate while Nairobi experiences subtropical highland conditions. Summers are notably different: Mumbai averages 30°C compared to 20°C in Nairobi. When it's noon in Mumbai, it's 9.5:00 AM in Nairobi — a 2.5-hour time difference.
Density Gap
Mumbai is 3.0x more densely populated
History
Mumbai is ~392 years older
Mumbai covers 603 km². Cities with a similar urban footprint include Madrid (604 km²), Seoul (605 km²), Chicago (606 km²), Toronto (630 km²), or Hyderabad (650 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 Mumbai to Nairobi is 4,542 km (2,822 miles), with an estimated flight time of ~5h 51m.
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