Buenos Aires
203 km²
Vienna
415 km²
Argentina
Austria
Area Comparison
Buenos Aires is 2.0x smaller than Vienna
Population Comparison
Buenos Aires has 1.5x more people than Vienna
Yes — Vienna is 2.0x larger than Buenos Aires by area. Vienna spans 415 km² (160 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 212 km². You could fit Buenos Aires inside Vienna approximately 2 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Vienna at 415 km² is about 1.5x smaller than Seoul.
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. Vienna, by comparison, equals about 58,000 American football fields, 120 times the area of Central Park, or 7 times the area of Manhattan.
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.
Vienna is the capital, most populous city, and one of the nine states of Austria. It is Austria's primate city, with just over two million inhabitants. Its larger metropolitan area has a population of nearly 2.9 million, representing nearly one-third of the country's population. Vienna is the cultural, economic, and political centre of the country, the fifth-largest city by population in the European Union, and the most populous of the cities on the river Danube.
Also known as "City of Music", Vienna has an area of 415 km² and is home to 2.0 million people. Its history stretches back to 500 BC. Visitors come for Schönbrunn Palace, St. Stephen's Cathedral, Hofburg Palace, and much more. Getting around is easy with the Wiener Linien (U-Bahn).
Vienna's metropolitan area holds nearly 2.9 million people, representing roughly one-third of Austria's entire population
Looking beyond city limits, the Buenos Aires metropolitan area covers 4,758 km², which is 1.2x larger than greater Vienna at 3,840 km². The Buenos Aires metro area is also more populous, with 15.2 million people compared to 2.8 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Vienna, with 4,771 people per km², is a moderately dense city. Buenos Aires is dramatically more crowded, with 3.2x the population density.
This comparison spans continents — Buenos Aires in South America versus Vienna in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Buenos Aires has a humid subtropical climate while Vienna experiences oceanic conditions. When it's noon in Vienna, it's 8:00 AM in Buenos Aires — a 4-hour time difference.
Size Ratio
Buenos Aires fits inside Vienna ~2 times
Density Gap
Buenos Aires is 3.2x more densely populated
Time Difference
4 hours apart
History
Vienna is ~2,036 years older
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).
Vienna covers 415 km². Cities with a similar urban footprint include Denver (401 km²), Oslo (454 km²), Portland (376 km²), Philadelphia (370 km²), or Seattle (369 km²).
The straight-line distance from Buenos Aires to Vienna is 11,810 km (7,338 miles), with an estimated flight time of ~14h 24m.
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