Hanoi
3,359 km²
Melbourne
9,993 km²
Vietnam
Australia
Area Comparison
Hanoi is 3.0x smaller than Melbourne
Population Comparison
Hanoi has 1.6x more people than Melbourne
In terms of area, Melbourne is 3.0x the size of Hanoi. Melbourne spans 9,993 km² (3,858 mi²) while Hanoi covers 3,359 km² (1,297 mi²) — a difference of 6,634 km². You could fit Hanoi inside Melbourne approximately 2 times.
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, Melbourne at 9,993 km² is about 1.6x the size of Shanghai.
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. Melbourne works out to about 1,400,000 American football fields, 170 times the area of Manhattan, or 95 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.
Melbourne is the capital and most populous city of the Australian state of Victoria, and the second most-populous city in Australia. The city's name generally refers to a 9,993-square-kilometre (3,858 sq mi) area, comprising an urban agglomeration of 31 local government areas. The name is also used to specifically refer to the local government area named City of Melbourne, whose area is centred on the Melbourne central business district and some immediate surrounds.
Melbourne has an area of 9,993 km² and is home to 5.1 million people. It was established in 1835. Visitors come for Federation Square, Flinders Street Station, Melbourne Cricket Ground, and much more. Getting around is easy with the Melbourne Trams & Metro.
Melbourne's metropolitan area spans 9,993 square kilometers across 31 local government areas, making it Australia's second-most-populous city.
Looking beyond city limits, the Melbourne metropolitan area covers 9,993 km², which is 3.0x larger than greater Hanoi at 3,359 km². The Hanoi metro area is also more populous, with 8.1 million people compared to 5.1 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Melbourne, with 508 people per km², is a relatively spread-out city. Hanoi is dramatically more crowded, with 4.7x the population density.
This comparison spans continents — Hanoi in Asia versus Melbourne in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Hanoi has a humid subtropical climate while Melbourne experiences oceanic conditions. Summers are notably different: Hanoi averages 30°C compared to 21°C in Melbourne. When it's noon in Melbourne, it's 9:00 AM in Hanoi — a 3-hour time difference.
Size Ratio
Hanoi fits inside Melbourne ~2 times
Density Gap
Hanoi is 4.7x more densely populated
Time Difference
3 hours apart
History
Hanoi is ~825 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).
Melbourne covers 9,993 km². Cities with a similar urban footprint include Xi'an (10,097 km²), Wuhan (8,569 km²), Sydney (12,368 km²), Guangzhou (7,434 km²), or Chengdu (14,378 km²).
The straight-line distance from Hanoi to Melbourne is 7,716 km (4,794 miles), with an estimated flight time of ~9h 35m.
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