Buenos Aires
203 km²
Montreal
498 km²
Argentina
Canada
Area Comparison
Buenos Aires is 2.5x smaller than Montreal
Population Comparison
Buenos Aires has 1.7x more people than Montreal
Montreal is significantly larger, covering 2.5 times the area of Buenos Aires. Montreal spans 498 km² (192 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 295 km². You could fit Buenos Aires inside Montreal approximately 2 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Montreal at 498 km² is about 1.2x smaller than Seoul.
Buenos Aires's footprint is roughly about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park — pick whichever unit feels intuitive. Montreal, by comparison, equals about 70,000 American football fields, 150 times the area of Central Park, or 8 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.
Montreal is the largest city in the province of Quebec, the second-largest in Canada, and the eighth-largest in North America. Founded in 1642 as Ville-Marie, or "City of Mary", it now takes its name from Mount Royal, the triple-peaked mountain around which the early settlement was built. The city is centred on the Island of Montreal and a few, much smaller, peripheral islands, the largest of which is Île Bizard.
Nicknamed "MTL", Montreal has an area of 498 km² and is home to 1.8 million people. The city dates back to 1642. Visitors come for Mount Royal, Notre-Dame Basilica, Old Montreal, and much more.
Montreal was founded in 1642 as Ville-Marie, meaning 'City of Mary', before adopting its current name from Mount Royal.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Montreal, with 3,534 people per km², is a moderately dense city. Buenos Aires is dramatically more crowded, with 4.3x the population density.
Size Ratio
Buenos Aires fits inside Montreal ~2 times
Density Gap
Buenos Aires is 4.3x more densely populated
History
Buenos Aires is ~106 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).
Montreal covers 498 km². Cities with a similar urban footprint include Prague (496 km²), Warsaw (517 km²), Budapest (525 km²), Oslo (454 km²), or Auckland (559 km²).
The straight-line distance from Buenos Aires to Montreal is 9,038 km (5,616 miles), with an estimated flight time of ~11h 8m.
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