Hanoi
3,359 km²
New York
783 km²
Vietnam
USA
Area Comparison
Hanoi is 4.3x larger than New York
Population Comparison
Hanoi has 1.0x fewer people than New York
Yes — Hanoi is 4.3x larger than New York by area. Hanoi spans 3,359 km² (1,297 mi²) while New York covers 783 km² (302 mi²) — a difference of 2,576 km². You could fit New York inside Hanoi approximately 4 times.
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, New York at 783 km² is about 1.1x smaller than Berlin.
Picture Hanoi another way: its area is large enough to fit about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris. New York works out to about 110,000 American football fields, 13 times the area of Manhattan, or 7 times the area of Paris.
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.
New York, often called New York City (NYC), is the most populous city in the United States. It is located at the southern tip of New York State on New York Harbor, one of the world's largest natural harbors. The city comprises five boroughs, each coextensive with its respective county. It is the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the United States by both population and urban area.
Nicknamed "New York City", New York has an area of 783 km² and is home to 8.3 million people. It was established in 1624. Visitors come for Times Square, Statue of Liberty, Empire State Building, and much more. Getting around is easy with the NYC Subway.
New York City sits on one of the world's largest natural harbors, which shaped its rise as America's commercial gateway.
Looking beyond city limits, the New York metropolitan area covers 17,405 km², which is 5.2x larger than greater Hanoi at 3,359 km². The New York metro area is also more populous, with 20.1 million people compared to 8.1 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. New York, with 10,651 people per km², is an extremely dense urban environment. New York is dramatically more crowded, with 4.4x the population density.
This comparison spans continents — Hanoi in Asia versus New York in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each. When it's noon in Hanoi, it's midnight in New York — a 12-hour time difference.
Size Ratio
New York fits inside Hanoi ~4 times
Density Gap
New York is 4.4x more densely populated
Time Difference
12 hours apart
History
Hanoi is ~614 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).
New York covers 783 km². Cities with a similar urban footprint include Hamburg (755 km²), Bangalore (741 km²), Kyoto (828 km²), Singapore (733 km²), or Santiago (838 km²).
The straight-line distance from Hanoi to New York is 13,150 km (8,171 miles), with an estimated flight time of ~15h 58m.
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