Buenos Aires
203 km²
Toronto
630 km²
Argentina
Canada
Area Comparison
Buenos Aires is 3.1x smaller than Toronto
Population Comparison
Buenos Aires has 1.0x more people than Toronto
Toronto is significantly larger, covering 3.1 times the area of Buenos Aires. Toronto spans 630 km² (243 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 427 km². You could fit Buenos Aires inside Toronto approximately 3 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Toronto at 630 km² is roughly the same size as 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. Toronto works out to about 88,000 American football fields, 180 times the area of Central Park, or 11 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.
Toronto is the most populous city in Canada and the capital city of the Canadian province of Ontario. It is located on a harbour at the northwestern shore of Lake Ontario. The city is the fourth-most populous city in North America, behind Mexico City, New York City, and Los Angeles, with a census population of 2,794,356 as of 2021.
Also known as "The Six", Toronto has an area of 630 km² and is home to 2.9 million people. Its history stretches back to 1793. Visitors come for CN Tower, Rogers Centre, Distillery District, and much more. Getting around is easy with the TTC Subway.
Toronto is the fourth-most populous city in North America, ranking behind only Mexico City, New York City, and Los Angeles.
Looking beyond city limits, the Toronto metropolitan area covers 5,906 km², which is 1.2x larger than greater Buenos Aires at 4,758 km². The Buenos Aires metro area is also more populous, with 15.2 million people compared to 6.2 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Toronto, with 4,651 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 Toronto in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Buenos Aires has a humid subtropical climate while Toronto experiences humid continental conditions. When it's noon in Buenos Aires, it's 10:00 AM in Toronto — a 2-hour time difference.
Size Ratio
Buenos Aires fits inside Toronto ~3 times
Density Gap
Buenos Aires is 3.2x more densely populated
History
Buenos Aires is ~257 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).
Toronto covers 630 km². Cities with a similar urban footprint include Hyderabad (650 km²), Chicago (606 km²), Seoul (605 km²), Madrid (604 km²), or Mumbai (603 km²).
The straight-line distance from Buenos Aires to Toronto is 8,958 km (5,566 miles), with an estimated flight time of ~11h 2m.
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