Tehran
730 km²
Tokyo
2,194 km²
Iran
Japan
Area Comparison
Tehran is 3.0x smaller than Tokyo
Population Comparison
Tehran has 1.5x fewer people than Tokyo
In terms of area, Tokyo is 3.0x the size of Tehran. Tokyo spans 2,194 km² (847 mi²) while Tehran covers 730 km² (282 mi²) — a difference of 1,464 km². You could fit Tehran inside Tokyo approximately 3 times.
To put Tehran's size in perspective, its area of 730 km² is roughly the same size as New York City. Meanwhile, Tokyo at 2,194 km² is about 1.1x smaller than Moscow.
Tehran's footprint is roughly about 102,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris — pick whichever unit feels intuitive. For Tokyo, that's about 307,000 American football fields, 37 times the area of Manhattan, or 21 times the area of Paris.
Tehran is the capital and largest city of Iran. It is also the capital of Tehran province and the administrative center for Tehran County and its Central District. With a population of around 9 million in the city, and 16.8 million in the metropolitan area, Tehran is the most populous city in Iran and West Asia, the second-largest metropolitan area in the Middle East after Cairo, and the 24th-most-populous metropolitan area in the world.
Tehran covers 730 km² with a population of 9.1 million. The city was established in 1524. Tehran is known for Azadi Tower, Milad Tower, Golestan Palace, among other attractions. The city's main transit system is the Tehran Metro.
Tehran's metropolitan area holds 16.8 million people, making it the second-largest metropolitan area in the Middle East after Cairo.
Tokyo, officially the Tokyo Metropolis, is the capital and most populous city of Japan. With a population of over 14 million in the city proper in 2023, it is one of the most populous urban areas in the world. The Greater Tokyo Area, which includes Tokyo and parts of six neighboring prefectures, is the most populous metropolitan area in the world, with 41 million residents as of 2024.
Nicknamed "Eastern Capital", Tokyo has an area of 2,194 km² and is home to 14.0 million people. It was established in 1457. Visitors come for Shibuya Crossing, Tokyo Tower, Imperial Palace, and much more. Getting around is easy with the Tokyo Metro & JR East.
Greater Tokyo holds 41 million residents as of 2024, making it the most populous metropolitan area on Earth.
Looking beyond city limits, the Tokyo metropolitan area covers 13,572 km², which is 6.1x larger than greater Tehran at 2,235 km². The Tokyo metro area is also more populous, with 37.4 million people compared to 16.0 million.
Tehran has a population density of 12,507 people per km² — an extremely dense urban environment. Tokyo, with 6,363 people per km², is a densely populated city. Tehran is noticeably denser, packing 2.0 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Tehran (Iran) and Tokyo (Japan) offer a fascinating regional contrast.
Tehran has a hot-summer Mediterranean climate while Tokyo experiences humid subtropical conditions. When it's noon in Tokyo, it's 6.5:00 AM in Tehran — a 5.5-hour time difference.
Size Ratio
Tehran fits inside Tokyo ~3 times
Density Gap
Tehran is 2.0x more densely populated
Time Difference
5.5 hours apart
Tehran covers 730 km². Cities with a similar urban footprint include Singapore (733 km²), Bangalore (741 km²), Hamburg (755 km²), Nairobi (696 km²), or New York (783 km²).
Tokyo covers 2,194 km². Cities with a similar urban footprint include Ho Chi Minh City (2,061 km²), Shenzhen (1,997 km²), Cape Town (2,455 km²), Moscow (2,511 km²), or Lima (2,672 km²).
The straight-line distance from Tehran to Tokyo is 7,660 km (4,759 miles), with an estimated flight time of ~9h 31m.
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