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Argentina
Portugal
Area Comparison
Buenos Aires is 2.0x larger than Lisbon
Population Comparison
Buenos Aires has 5.6x more people than Lisbon
Yes — Buenos Aires is 2.0x larger than Lisbon by area. Buenos Aires spans 203 km² (78 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 103 km². You could fit Lisbon inside Buenos Aires approximately 2 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (city proper).
Argentina's capital and a cultural powerhouse of South America. Known as "The 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 Tango dancing, La Boca neighborhood, Recoleta Cemetery, among other attractions. The city's main transit system is the Buenos Aires Subte.
Buenos Aires has more bookstores per capita than any other city in the world
Portugal's capital, one of Europe's oldest cities. Also known as "City of Seven Hills", Lisbon has an area of 100 km² and is home to 0.6 million people. Its history stretches back to 1200 BC. Visitors come for Belém Tower, Pastéis de nata, Tram 28, and much more. Getting around is easy with the Lisbon Metro.
Lisbon is older than Rome by about 400 years, making it one of the oldest cities in Western Europe
Looking beyond city limits, the Buenos Aires metropolitan area covers 4,758 km², which is 1.6x larger than greater Lisbon at 3,015 km². The Buenos Aires metro area is also more populous, with 15.2 million people compared to 2.9 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Lisbon, with 5,500 people per km², is a densely populated city. Buenos Aires is noticeably denser, packing 2.7 times more people per square kilometer.
This comparison spans continents — Buenos Aires in South America versus Lisbon 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 Lisbon experiences Mediterranean conditions. When it's noon in Lisbon, it's 9:00 AM in Buenos Aires — a 3-hour time difference.
Size Ratio
Lisbon fits inside Buenos Aires ~2 times
Density Gap
Buenos Aires is 2.7x more densely populated
Time Difference
3 hours apart
History
Lisbon is ~2,736 years older
The straight-line distance from Buenos Aires to Lisbon is 9,599 km (5,965 miles), with an estimated flight time of ~11h 48m. See full distance details, including timezone difference and city facts.
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