Brisbane
15,826 km²
Buenos Aires
203 km²
Australia
Argentina
Area Comparison
Brisbane is 78.0x larger than Buenos Aires
Population Comparison
Brisbane has 1.1x fewer people than Buenos Aires
Yes — Brisbane is 78.0x larger than Buenos Aires by area. Brisbane spans 15,826 km² (6,110 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 15,623 km². You could fit Buenos Aires inside Brisbane approximately 77 times.
To put Brisbane's size in perspective, its area of 15,826 km² is about 2.5x the size of Shanghai. Meanwhile, Buenos Aires at 203 km² is roughly the same size as Amsterdam.
Picture Brisbane another way: its area is large enough to fit about 2,200,000 American football fields, 150 times the area of Paris, or 130 times the area of San Francisco. Buenos Aires, by comparison, equals about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park.
Brisbane is the capital and largest city of the Australian state of Queensland and the third-most populous city in Australia, with a population of approximately 2.8 million. Brisbane lies at the centre of South East Queensland, a bio-geographical and urban region with an estimated population of 4.1 million as of 2024. The central business district is situated within a peninsula of the Brisbane River approximately 15 kilometres (9.3 mi) from its mouth at Moreton Bay.
Known as "Brissy", Brisbane covers 15,826 km² with a population of 2.7 million. The city was established in 1824. Brisbane is known for Brisbane River, South Bank Parklands, Story Bridge, among other attractions.
Brisbane is Queensland's capital and Australia's third-most populous city with around 2.8 million residents.
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.
Also known as "Paris of South America", Buenos Aires has an area of 203 km² and is home to 3.1 million people. It was established in 1536. Visitors come for La Boca's Caminito, Recoleta Cemetery, Teatro Colón, and much more. Getting around is easy with the Buenos Aires Subte.
Buenos Aires is classified as an Alpha− global city according to the GaWC 2024 ranking.
Brisbane has a population density of 171 people per km² — a low-density, sprawling urban area. Buenos Aires, with 15,074 people per km², is an extremely dense urban environment. Buenos Aires is dramatically more crowded, with 88.2x the population density.
Size Ratio
Buenos Aires fits inside Brisbane ~77 times
Density Gap
Buenos Aires is 88.2x more densely populated
History
Buenos Aires is ~288 years older
Brisbane covers 15,826 km². Cities with a similar urban footprint include Beijing (16,411 km²), Hangzhou (16,854 km²), Chengdu (14,378 km²), Sydney (12,368 km²), or Xi'an (10,097 km²).
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).
The straight-line distance from Brisbane to Buenos Aires is 12,363 km (7,682 miles), with an estimated flight time of ~15h 3m.
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