Bangalore
741 km²
Hanoi
3,359 km²
India
Vietnam
Area Comparison
Bangalore is 4.5x smaller than Hanoi
Population Comparison
Bangalore has 1.5x more people than Hanoi
Hanoi is significantly larger, covering 4.5 times the area of Bangalore. Hanoi spans 3,359 km² (1,297 mi²) while Bangalore covers 741 km² (286 mi²) — a difference of 2,618 km². You could fit Bangalore inside Hanoi approximately 4 times.
To put Bangalore's size in perspective, its area of 741 km² is roughly the same size as New York City. Meanwhile, Hanoi at 3,359 km² is about 1.2x smaller than Rhode Island.
Bangalore's footprint is roughly about 104,000 American football fields, 13 times the area of Manhattan, or 7 times the area of Paris — pick whichever unit feels intuitive. Hanoi, by comparison, equals about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris.
Bengaluru, also known as Bangalore, is the capital and largest city of the southern Indian state of Karnataka. As per the 2011 census, the city had a population of 8.4 million, making it the third most populous city in India and the most populous in South India. The Bengaluru metropolitan area had a population of around 8.5 million, making it the fifth most populous urban agglomeration in the country.
Known as "Bangalore", Bangalore covers 741 km² with a population of 12.3 million. The city was established in 1537. Bangalore is known for Lalbagh Botanical Garden, Bangalore Palace, Vidhana Soudha, among other attractions.
Bengaluru is the capital of Karnataka and India's third most populous city with 8.4 million residents.
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.
Often called "City Between Rivers", Hanoi has an area of 3,359 km² and is home to 8.1 million people. Its history stretches back to 1010. Visitors come for Hoan Kiem Lake, Old Quarter, Temple of Literature, and much more. Getting around is easy with the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Bangalore has a population density of 16,640 people per km² — an extremely dense urban environment. Hanoi, with 2,397 people per km², is a moderately dense city. Bangalore is dramatically more crowded, with 6.9x the population density.
Size Ratio
Bangalore fits inside Hanoi ~4 times
Density Gap
Bangalore is 6.9x more densely populated
History
Hanoi is ~527 years older
Bangalore covers 741 km². Cities with a similar urban footprint include Singapore (733 km²), Tehran (730 km²), Hamburg (755 km²), New York (783 km²), or Nairobi (696 km²).
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).
The straight-line distance from Bangalore to Hanoi is 3,128 km (1,944 miles), with an estimated flight time of ~4h 11m.
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