Buenos Aires
203 km²
Helsinki
214 km²
Argentina
Finland
Area Comparison
Buenos Aires is 1.1x smaller than Helsinki
Population Comparison
Buenos Aires has 4.4x more people than Helsinki
In terms of area, Helsinki is 1.1x the size of Buenos Aires. Helsinki spans 214 km² (83 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 11 km².
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Helsinki at 214 km² is roughly the same size as Amsterdam.
Picture Buenos Aires another way: its area is large enough to fit about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park. For Helsinki, that's about 30,000 American football fields, 110 times the area of Monaco, or 63 times the area of Central Park.
Buenos Aires, officially the Autonomous City of Buenos Aires, is the capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− global city, according to the GaWC 2024 ranking. The city proper has a population of 3.1 million and its urban area has a population of 16.7 million, making it the 21st most populous metropolitan area in the world.
Known as "Paris of South America", Buenos Aires covers 203 km² with a population of 3.1 million. The city was established in 1536. Buenos Aires is known for La Boca's Caminito, Recoleta Cemetery, Teatro Colón, among other attractions. The city's main transit system is the Buenos Aires Subte.
Buenos Aires is classified as an Alpha− global city according to the GaWC 2024 ranking.
Helsinki is the capital and most populous city in Finland. It is on the shore of the Gulf of Finland and is the seat of southern Finland's Uusimaa region. About 694,000 people live in the municipality, with 1.3 million in the capital region and 1.6 million in the metropolitan area. As the most populous urban area in Finland, it is the country's most significant centre for politics, education, finance, culture, and research.
Often called "Daughter of the Baltic", Helsinki has an area of 214 km² and is home to 0.7 million people. Its history stretches back to 1550. Visitors come for Helsinki Cathedral, Suomenlinna fortress, Temppeliaukio Church, and much more.
Helsinki sits on the shore of the Gulf of Finland and serves as the capital of Finland's Uusimaa region.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Helsinki, with 3,224 people per km², is a moderately dense city. Buenos Aires is dramatically more crowded, with 4.7x the population density.
Buenos Aires has a humid subtropical climate while Helsinki experiences warm-summer humid continental climate conditions.
Density Gap
Buenos Aires is 4.7x more densely populated
Buenos Aires covers 203 km². Cities with a similar urban footprint include Helsinki (214 km²), Amsterdam (219 km²), Stockholm (188 km²), Osaka (225 km²), or Boston (232 km²).
Helsinki covers 214 km². Cities with a similar urban footprint include Amsterdam (219 km²), Osaka (225 km²), Buenos Aires (203 km²), Boston (232 km²), or Kuala Lumpur (243 km²).
The straight-line distance from Buenos Aires to Helsinki is 12,946 km (8,044 miles), with an estimated flight time of ~15h 44m.
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