Buenos Aires
203 km²
Miami
143 km²
Argentina
USA
Area Comparison
Buenos Aires is 1.4x larger than Miami
Population Comparison
Buenos Aires has 7.0x more people than Miami
In terms of area, Buenos Aires is 1.4x the size of Miami. Buenos Aires spans 203 km² (78 mi²) while Miami covers 143 km² (55 mi²) — a difference of 60 km².
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Miami at 143 km² is about 1.2x the size of San Francisco.
In more relatable units, Buenos Aires's 203 km² is about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park. Miami works out to about 20,000 American football fields, 71 times the area of Monaco, or 42 times the area of Central Park.
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.
Miami is a coastal city in the U.S. state of Florida. It is the second-most populous city proper in Florida, with a population of 442,241 at the 2020 census. The Miami metropolitan area in South Florida has an estimated 6.39 million residents, ranking as the fifth-largest metropolitan area in the Southeast and eighth-largest metropolitan area in the United States. Miami has the third-largest skyline in the U.S. with over 300 high-rises, 70 of which exceed 491 ft (150 m).
Often called "Magic City", Miami has an area of 143 km² and is home to 0.4 million people. The city dates back to 1896. Visitors come for South Beach, Art Deco Historic District, Little Havana, and much more. Getting around is easy with the Metrorail Miami.
Miami boasts the third-largest skyline in the U.S. with over 300 high-rises, 70 of them topping 491 feet
Looking beyond city limits, the Miami metropolitan area covers 15,890 km², which is 3.3x 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. Miami, with 3,077 people per km², is a moderately dense city. Buenos Aires is dramatically more crowded, with 4.9x the population density.
This comparison spans continents — Buenos Aires in South America versus Miami 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 Miami experiences tropical monsoon conditions. When it's noon in Buenos Aires, it's 10:00 AM in Miami — a 2-hour time difference.
Density Gap
Buenos Aires is 4.9x more densely populated
History
Buenos Aires is ~360 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).
Miami covers 143 km². Cities with a similar urban footprint include Minneapolis (149 km²), Brussels (161 km²), San Francisco (121 km²), Washington D.C. (177 km²), or Vancouver (115 km²).
The straight-line distance from Buenos Aires to Miami is 7,095 km (4,409 miles), with an estimated flight time of ~8h 51m.
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