Atlanta
348 km²
Buenos Aires
203 km²
United States
Argentina
Area Comparison
Atlanta is 1.7x larger than Buenos Aires
Population Comparison
Atlanta has 6.1x fewer people than Buenos Aires
In terms of area, Atlanta is 1.7x the size of Buenos Aires. Atlanta spans 348 km² (134 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 145 km².
To put Atlanta's size in perspective, its area of 348 km² is about 1.6x the size of Amsterdam. Meanwhile, Buenos Aires at 203 km² is roughly the same size as Amsterdam.
In more relatable units, Atlanta's 348 km² is about 49,000 American football fields, 170 times the area of Monaco, or 100 times the area of Central Park. For Buenos Aires, that's about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park.
Atlanta is the capital and most populous city of the U.S. state of Georgia. It is the county seat of Fulton County and extends into neighboring DeKalb County. With a population of 498,715 at the 2020 census and an estimated 520,070 in 2024, Atlanta is the eighth-most populous city in the Southeast and the 36th-most populous city in the United States. Atlanta is classified as a Beta+ global city.
Known as "The ATL", Atlanta covers 348 km² with a population of 0.5 million. The city was established in 1845. Atlanta is known for Coca-Cola headquarters, Hartsfield-Jackson Airport, Georgia Aquarium, among other attractions.
Atlanta is Georgia's capital and most populous city, with around 520,070 residents estimated in 2024.
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.
Nicknamed "Paris of South America", Buenos Aires has an area of 203 km² and is home to 3.1 million people. The city dates back to 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.
Atlanta has a population density of 1,437 people per km² — a relatively spread-out city. Buenos Aires, with 15,074 people per km², is an extremely dense urban environment. Buenos Aires is dramatically more crowded, with 10.5x the population density.
Density Gap
Buenos Aires is 10.5x more densely populated
History
Buenos Aires is ~309 years older
Atlanta covers 348 km². Cities with a similar urban footprint include Dhaka (368 km²), Seattle (369 km²), Philadelphia (370 km²), Portland (376 km²), or Munich (311 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 Atlanta to Buenos Aires is 8,069 km (5,014 miles), with an estimated flight time of ~9h 60m.
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