Rome
1,285 km²
Shanghai
6,341 km²
Italy
China
Area Comparison
Rome is 4.9x smaller than Shanghai
Population Comparison
Rome has 8.7x fewer people than Shanghai
Shanghai is significantly larger, covering 4.9 times the area of Rome. Shanghai spans 6,341 km² (2,448 mi²) while Rome covers 1,285 km² (496 mi²) — a difference of 5,056 km². You could fit Rome inside Shanghai approximately 4 times.
To put Rome's size in perspective, its area of 1,285 km² is about 1.2x smaller than London. Meanwhile, Shanghai at 6,341 km² is about 1.5x the size of Los Angeles metro.
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 Shanghai, that's about 888,000 American football fields, 110 times the area of Manhattan, or 60 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
Shanghai is a direct-administered municipality and the most populous urban area in China. It has a population of 29,558,908 in the urban area as of 2025. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the Huangpu River bisecting the city. Shanghai is a global center for finance, business and economics, research, science and technology, manufacturing, transportation, tourism, and culture. The Port of Shanghai is the world's busiest container port.
Often called "Pearl of the Orient", Shanghai has an area of 6,341 km² and is home to 24.9 million people. The city dates back to 1291. Visitors come for The Bund, Oriental Pearl Tower, Shanghai Tower, and much more. Getting around is easy with the Shanghai Metro.
Shanghai's urban population reached 29.5 million in 2025, making it the most populous urban area in all of China.
Looking beyond city limits, the Shanghai metropolitan area covers 6,341 km², which is 1.2x larger than greater Rome at 5,352 km². The Shanghai metro area is also more populous, with 28.5 million people compared to 4.3 million.
Rome has a population density of 2,233 people per km² — a moderately dense city. Shanghai, with 3,922 people per km², is a moderately dense city. Shanghai is noticeably denser, packing 1.8 times more people per square kilometer.
This comparison spans continents — Rome in Europe versus Shanghai in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Rome has a Mediterranean climate while Shanghai experiences humid subtropical conditions. When it's noon in Shanghai, it's 5:00 AM in Rome — a 7-hour time difference.
Size Ratio
Rome fits inside Shanghai ~4 times
Density Gap
Shanghai is 1.8x more densely populated
Time Difference
7 hours apart
History
Rome is ~2,044 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).
Shanghai covers 6,341 km². Cities with a similar urban footprint include Perth (6,417 km²), Istanbul (5,461 km²), Guangzhou (7,434 km²), Wuhan (8,569 km²), or Dubai (4,114 km²).
The straight-line distance from Rome to Shanghai is 9,117 km (5,665 miles), with an estimated flight time of ~11h 14m.
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