Hanoi
3,359 km²
Santiago
838 km²
Vietnam
Chile
Area Comparison
Hanoi is 4.0x larger than Santiago
Population Comparison
Hanoi has 1.3x more people than Santiago
Hanoi is significantly larger, covering 4.0 times the area of Santiago. Hanoi spans 3,359 km² (1,297 mi²) while Santiago covers 838 km² (324 mi²) — a difference of 2,521 km². You could fit Santiago 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, Santiago at 838 km² is roughly the same size as Berlin.
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 Santiago, that's about 117,000 American football fields, 14 times the area of Manhattan, or 8 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.
Santiago, also known as Santiago de Chile, is the capital and largest city of Chile and one of the largest cities in the Americas. Located in the Chilean Central Valley within the Santiago Basin, between the Andes to the east and the Chilean Coastal Range to the west, it anchors the Santiago Metropolitan Region and its conurbation of Greater Santiago, which comprises more than forty communes and concentrates over a third of the national population and around 45% of Chile's GDP.
Also known as "Santiago de Chile", Santiago has an area of 838 km² and is home to 6.3 million people. Its history stretches back to 1541. Visitors come for Cerro San Cristóbal, Gran Torre Santiago, Plaza de Armas, and much more.
Santiago sits in the Chilean Central Valley between the Andes and the Coastal Range, anchoring over a third of Chile's population.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Santiago, with 7,470 people per km², is a densely populated city. Santiago is dramatically more crowded, with 3.1x the population density.
Size Ratio
Santiago fits inside Hanoi ~4 times
Density Gap
Santiago is 3.1x more densely populated
History
Hanoi is ~531 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).
Santiago covers 838 km². Cities with a similar urban footprint include Kyoto (828 km²), Berlin (892 km²), New York (783 km²), Hamburg (755 km²), or Bangalore (741 km²).
The straight-line distance from Hanoi to Santiago is 18,592 km (11,553 miles), with an estimated flight time of ~22h 22m.
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