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Kenya
Iran
Area Comparison
Nairobi is 1.0x smaller than Tehran
Population Comparison
Nairobi has 1.9x fewer people than Tehran
Yes — Tehran is 1.0x larger than Nairobi by area. Tehran spans 730 km² (282 mi²) while Nairobi covers 696 km² (269 mi²) — a difference of 34 km².
To put Nairobi's size in perspective, its area of 696 km² is about 1.1x smaller than New York City. Meanwhile, Tehran at 730 km² is roughly the same size as New York City.
Kenya's capital and East Africa's largest city. Known as "The Green City in the Sun", Nairobi covers 696 km² with a population of 4.7 million. The city was established in 1899. Nairobi is known for Nairobi National Park, Safari tourism, Karen Blixen Museum, among other attractions. The city's main transit system is the Nairobi Commuter Rail.
Nairobi is the only capital city in the world with a national park within its borders — you can see lions with skyscrapers in the background
Iran's capital and largest city. Nicknamed "The City of 72 Nations", Tehran has an area of 730 km² and is home to 9.1 million people. It was established in 1524. Visitors come for Golestan Palace, Grand Bazaar, Milad Tower, and much more. Getting around is easy with the Tehran Metro.
Tehran sits at the foot of Mount Damavand, the highest volcano in Asia at 5,610 meters
Looking beyond city limits, the Tehran metropolitan area covers 2,235 km², which is 3.2x larger than greater Nairobi at 696 km². The Tehran metro area is also more populous, with 16.0 million people compared to 4.7 million.
Nairobi has a population density of 6,796 people per km² — a densely populated city. Tehran, with 12,507 people per km², is an extremely dense urban environment. Tehran is noticeably denser, packing 1.8 times more people per square kilometer.
This comparison spans continents — Nairobi in Africa versus Tehran in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Nairobi has a subtropical highland climate while Tehran experiences hot-summer Mediterranean conditions. Summers are notably different: Tehran averages 30°C compared to 20°C in Nairobi.
Density Gap
Tehran is 1.8x more densely populated
History
Tehran is ~375 years older
The straight-line distance from Nairobi to Tehran is 4,381 km (2,722 miles), with an estimated flight time of ~5h 39m. See full distance details, including timezone difference and city facts.
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