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Italy
China
Area Comparison
Rome is 1.6x smaller than Shenzhen
Population Comparison
Rome has 6.1x fewer people than Shenzhen
In terms of area, Shenzhen is 1.6x the size of Rome. Shenzhen spans 1,997 km² (771 mi²) while Rome covers 1,285 km² (496 mi²) — a difference of 712 km².
To put Rome's size in perspective, its area of 1,285 km² is about 1.2x smaller than London. Meanwhile, Shenzhen at 1,997 km² is roughly the same size as Tokyo (city proper).
Italy's capital and a city of ancient history. 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 contains an entire independent country within its borders — Vatican City, the world's smallest state
China's tech capital and a major innovation hub. Also known as "China's Silicon Valley", Shenzhen has an area of 1,997 km² and is home to 17.6 million people. Its history stretches back to 1979. Visitors come for Tech industry (Huawei, Tencent, DJI), Shenzhen Bay, Window of the World theme park, and much more. Getting around is easy with the Shenzhen Metro.
Shenzhen grew from a fishing village of 30,000 people to a megacity of 17 million in just 40 years
Looking beyond city limits, the Rome metropolitan area covers 5,352 km², which is 2.7x larger than greater Shenzhen at 1,997 km². The Shenzhen metro area is also more populous, with 17.6 million people compared to 4.3 million.
Rome has a population density of 2,233 people per km² — a moderately dense city. Shenzhen, with 8,793 people per km², is a densely populated city. Shenzhen is dramatically more crowded, with 3.9x the population density.
This comparison spans continents — Rome in Europe versus Shenzhen in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Rome has a Mediterranean climate while Shenzhen experiences humid subtropical conditions. When it's noon in Shenzhen, it's 5:00 AM in Rome — a 7-hour time difference.
Density Gap
Shenzhen is 3.9x more densely populated
Time Difference
7 hours apart
History
Rome is ~2,732 years older
The straight-line distance from Rome to Shenzhen is 9,252 km (5,749 miles), with an estimated flight time of ~11h 23m. See full distance details, including timezone difference and city facts.
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