Hanoi
3,359 km²
Singapore
733 km²
Vietnam
Singapore
Area Comparison
Hanoi is 4.6x larger than Singapore
Population Comparison
Hanoi has 1.5x more people than Singapore
Hanoi is significantly larger, covering 4.6 times the area of Singapore. Hanoi spans 3,359 km² (1,297 mi²) while Singapore covers 733 km² (283 mi²) — a difference of 2,626 km². You could fit Singapore 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, Singapore at 733 km² is roughly the same size as New York City.
In more relatable units, Hanoi's 3,359 km² is about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris. For Singapore, that's about 103,000 American football fields, 12 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.
Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. Its territory comprises a main island, over 60 satellite islands and islets, and one outlying islet. The country is about one degree of latitude north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to the east and the Straits of Johor along…
Also known as "Lion City", Singapore has an area of 733 km² and is home to 5.5 million people. It was established in 1819. Visitors come for Marina Bay Sands, Gardens by the Bay, Merlion statue, and much more. Getting around is easy with the MRT Singapore.
Singapore is a city-state made up of one main island plus over 60 satellite islands and islets.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Singapore, with 7,435 people per km², is a densely populated city. Singapore is dramatically more crowded, with 3.1x the population density.
Both cities are in Asia, but they represent different national approaches to urban development. Hanoi (Vietnam) and Singapore (Singapore) offer a fascinating regional contrast.
Hanoi has a humid subtropical climate while Singapore experiences tropical rainforest conditions.
Size Ratio
Singapore fits inside Hanoi ~4 times
Density Gap
Singapore is 3.1x more densely populated
History
Hanoi is ~809 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).
Singapore covers 733 km². Cities with a similar urban footprint include Tehran (730 km²), Bangalore (741 km²), Hamburg (755 km²), Nairobi (696 km²), or New York (783 km²).
The straight-line distance from Hanoi to Singapore is 2,199 km (1,366 miles), with an estimated flight time of ~3h 5m.
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