Hanoi
3,359 km²
Taipei
272 km²
Vietnam
Taiwan
Area Comparison
Hanoi is 12.3x larger than Taipei
Population Comparison
Hanoi has 3.0x more people than Taipei
In terms of area, Hanoi is 12.3x the size of Taipei. Hanoi spans 3,359 km² (1,297 mi²) while Taipei covers 272 km² (105 mi²) — a difference of 3,087 km². You could fit Taipei inside Hanoi approximately 12 times.
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, Taipei at 272 km² is about 1.2x the size of Amsterdam.
Hanoi's footprint is roughly about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris — pick whichever unit feels intuitive. For Taipei, that's about 38,000 American football fields, 130 times the area of Monaco, or 80 times the area of Central Park.
Hanoi is the capital and second-most populous municipality of Vietnam. It encompasses an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523. Hanoi had the second-highest gross regional domestic product of all Vietnamese provinces and municipalities at US$48 billion in 2023, behind Ho Chi Minh City. It hosts 78 foreign embassies, the headquarters of the Vietnam People's Army (VPA), its Vietnam National University system, and other governmental organizations.
Known as "City Between Rivers", Hanoi covers 3,359 km² with a population of 8.1 million. The city was established in 1010. Hanoi is known for Hoan Kiem Lake, Old Quarter, Temple of Literature, among other attractions. The city's main transit system is the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Taipei, officially Taipei City, is the capital and a special municipality of Taiwan. Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about 25 kilometres (16 mi) southwest of the northern port city of Keelung. Most of the city rests on the Taipei Basin, an ancient lakebed. The basin is bounded by the relatively narrow valleys of the Keelung and Xindian rivers, which join to form the Tamsui River along the city's western border.
Taipei has an area of 272 km² and is home to 2.6 million people. The city dates back to 1709. Visitors come for Taipei 101 tower, Chiang Kai-shek Memorial, Shilin Night Market, and much more. Getting around is easy with the Taipei Metro (MRT).
Most of Taipei rests on the Taipei Basin, an ancient lakebed bounded by narrow river valleys.
Looking beyond city limits, the Hanoi metropolitan area covers 3,359 km², which is 1.4x larger than greater Taipei at 2,458 km². The Hanoi metro area is also more populous, with 8.1 million people compared to 7.0 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Taipei, with 9,743 people per km², is a densely populated city. Taipei is dramatically more crowded, with 4.1x the population density.
Both cities are in Asia, but they represent different national approaches to urban development. Hanoi (Vietnam) and Taipei (Taiwan) offer a fascinating regional contrast.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each.
Size Ratio
Taipei fits inside Hanoi ~12 times
Density Gap
Taipei is 4.1x more densely populated
History
Hanoi is ~699 years older
Hanoi covers 3,359 km². Cities with a similar urban footprint include Karachi (3,527 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 km²).
Taipei covers 272 km². Cities with a similar urban footprint include Edinburgh (259 km²), Kuala Lumpur (243 km²), Munich (311 km²), Boston (232 km²), or Osaka (225 km²).
The straight-line distance from Hanoi to Taipei is 1,669 km (1,037 miles), with an estimated flight time of ~2h 28m.
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