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Vietnam
Italy
Area Comparison
Hanoi is 2.6x larger than Rome
Population Comparison
Hanoi has 2.8x more people than Rome
Yes — Hanoi is 2.6x larger than Rome by area. Hanoi spans 3,359 km² (1,297 mi²) while Rome covers 1,285 km² (496 mi²) — a difference of 2,074 km². You could fit Rome inside Hanoi approximately 2 times.
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
Vietnam's capital with over a thousand years of history. Known as "The City of the Ascending Dragon", Hanoi covers 3,359 km² with a population of 8.1 million. The city was established in 1010. Hanoi is known for Hoàn Kiếm Lake, Old Quarter (36 Streets), Ho Chi Minh Mausoleum, among other attractions. The city's main transit system is the Hanoi Metro.
Hanoi's Old Quarter has been a trading hub for nearly 1,000 years, with each street historically dedicated to a specific trade
Italy's capital and a city of ancient history. Often called "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. Its history stretches back to 753 BC. Visitors come for Colosseum, Vatican City, Trevi Fountain, and much more. Getting around is easy with the Rome Metro.
Rome contains an entire independent country within its borders — Vatican City, the world's smallest state
Looking beyond city limits, the Rome metropolitan area covers 5,352 km², which is 1.6x larger than greater Hanoi at 3,359 km². The Hanoi metro area is also more populous, with 8.1 million people compared to 4.3 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Rome, with 2,233 people per km², is a moderately dense city. Both cities have comparable density, though Hanoi is slightly more compact.
This comparison spans continents — Hanoi in Asia versus Rome in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Hanoi has a humid subtropical climate while Rome experiences Mediterranean conditions. When it's noon in Hanoi, it's 6:00 AM in Rome — a 6-hour time difference.
Size Ratio
Rome fits inside Hanoi ~2 times
Time Difference
6 hours apart
History
Rome is ~1,763 years older
The straight-line distance from Hanoi to Rome is 8,730 km (5,425 miles), with an estimated flight time of ~10h 46m. See full distance details, including timezone difference and city facts.
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