Rome
1,285 km²
Tokyo
2,194 km²
Italy
Japan
Area Comparison
Rome is 1.7x smaller than Tokyo
Population Comparison
Rome has 4.9x fewer people than Tokyo
In terms of area, Tokyo is 1.7x the size of Rome. Tokyo spans 2,194 km² (847 mi²) while Rome covers 1,285 km² (496 mi²) — a difference of 909 km².
To put Rome's size in perspective, its area of 1,285 km² is about 1.2x smaller than London. Meanwhile, Tokyo at 2,194 km² is about 1.1x smaller than Moscow.
In more relatable units, Rome's 1,285 km² is about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris. For Tokyo, that's about 307,000 American football fields, 37 times the area of Manhattan, or 21 times the area of Paris.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Known as "The Eternal City", Rome covers 1,285 km² with a population of 2.9 million. The city was founded around 753 BC. Rome is known for Colosseum, Vatican City, Trevi Fountain, among other attractions. The city's main transit system is the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
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.
Also known as "Eastern Capital", Tokyo has an area of 2,194 km² and is home to 14.0 million people. Its history stretches back to 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 2.5x larger than greater Rome at 5,352 km². The Tokyo metro area is also more populous, with 37.4 million people compared to 4.3 million.
Rome has a population density of 2,233 people per km² — a moderately dense city. Tokyo, with 6,363 people per km², is a densely populated city. Tokyo is noticeably denser, packing 2.8 times more people per square kilometer.
This comparison spans continents — Rome in Europe versus Tokyo in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Rome has a Mediterranean climate while Tokyo experiences humid subtropical conditions. When it's noon in Tokyo, it's 4:00 AM in Rome — a 8-hour time difference.
Density Gap
Tokyo is 2.8x more densely populated
Time Difference
8 hours apart
History
Rome is ~2,210 years older
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 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 Rome to Tokyo is 9,852 km (6,122 miles), with an estimated flight time of ~12h 5m.
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