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Vietnam
Japan
Area Comparison
Hanoi is 1.5x larger than Tokyo
Population Comparison
Hanoi has 1.7x fewer people than Tokyo
Yes — Hanoi is 1.5x larger than Tokyo by area. Hanoi spans 3,359 km² (1,297 mi²) while Tokyo covers 2,194 km² (847 mi²) — a difference of 1,165 km².
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, Tokyo at 2,194 km² is about 1.1x smaller than Moscow.
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
Japan's capital and the world's most populous metropolitan area. Nicknamed "The Big Mikan", Tokyo has an area of 2,194 km² and is home to 14.0 million people. It was established in 1457. Visitors come for Shibuya Crossing, Tokyo Tower, Tsukiji Market, and much more. Getting around is easy with the Tokyo Metro & JR East.
Greater Tokyo is the world's largest metropolitan economy, surpassing the GDP of most countries
Looking beyond city limits, the Tokyo metropolitan area covers 13,572 km², which is 4.0x larger than greater Hanoi at 3,359 km². The Tokyo metro area is also more populous, with 37.4 million people compared to 8.1 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Tokyo, with 6,363 people per km², is a densely populated city. Tokyo is noticeably denser, packing 2.7 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Hanoi (Vietnam) and Tokyo (Japan) offer a fascinating regional contrast.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each. When it's noon in Tokyo, it's 10:00 AM in Hanoi — a 2-hour time difference.
Density Gap
Tokyo is 2.7x more densely populated
History
Hanoi is ~447 years older
The straight-line distance from Hanoi to Tokyo is 3,663 km (2,276 miles), with an estimated flight time of ~4h 49m. See full distance details, including timezone difference and city facts.
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