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Germany
Vietnam
Area Comparison
Berlin is 3.8x smaller than Hanoi
Population Comparison
Berlin has 2.2x fewer people than Hanoi
Hanoi is significantly larger, covering 3.8 times the area of Berlin. Hanoi spans 3,359 km² (1,297 mi²) while Berlin covers 892 km² (344 mi²) — a difference of 2,467 km². You could fit Berlin inside Hanoi approximately 3 times.
To put Berlin's size in perspective, its area of 892 km² is about 1.1x the size of New York City. Meanwhile, Hanoi at 3,359 km² is about 1.2x smaller than Rhode Island.
Germany's capital and largest city. Known as "The Grey City", Berlin covers 892 km² with a population of 3.6 million. The city was established in 1237. Berlin is known for Brandenburg Gate, Berlin Wall remnants, Museum Island, among other attractions. The city's main transit system is the BVG (U-Bahn & S-Bahn).
Berlin has more bridges than Venice — over 1,700 compared to Venice's 400
Vietnam's capital with over a thousand years of history. Often called "The City of the Ascending Dragon", Hanoi has an area of 3,359 km² and is home to 8.1 million people. Its history stretches back to 1010. Visitors come for Hoàn Kiếm Lake, Old Quarter (36 Streets), Ho Chi Minh Mausoleum, and much more. Getting around is easy with 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
Looking beyond city limits, the Berlin metropolitan area covers 3,743 km², which is 1.1x larger than greater Hanoi at 3,359 km². The Hanoi metro area is also more populous, with 8.1 million people compared to 6.1 million.
Berlin has a population density of 4,092 people per km² — a moderately dense city. Hanoi, with 2,397 people per km², is a moderately dense city. Berlin is noticeably denser, packing 1.7 times more people per square kilometer.
This comparison spans continents — Berlin in Europe versus Hanoi in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Berlin has a oceanic climate while Hanoi experiences humid subtropical conditions. Winters differ dramatically: Hanoi stays around 17°C while Berlin drops to 1°C. When it's noon in Hanoi, it's 6:00 AM in Berlin — a 6-hour time difference.
Size Ratio
Berlin fits inside Hanoi ~3 times
Density Gap
Berlin is 1.7x more densely populated
Time Difference
6 hours apart
History
Hanoi is ~227 years older
The straight-line distance from Berlin to Hanoi is 8,327 km (5,174 miles), with an estimated flight time of ~10h 18m. See full distance details, including timezone difference and city facts.
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