Buenos Aires
203 km²
Chennai
427 km²
City Map Compare/Buenos Aires vs Chennaivs
vs
5 km
Argentina
India
Area Comparison
Buenos Aires is 2.1x smaller than Chennai
Population Comparison
Buenos Aires has 2.2x fewer people than Chennai
Yes — Chennai is 2.1x larger than Buenos Aires by area. Chennai spans 427 km² (165 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 224 km². You could fit Buenos Aires inside Chennai approximately 2 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Chennai at 427 km² is about 1.4x 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. Chennai, by comparison, equals about 60,000 American football fields, 130 times the area of Central Park, or 7 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.
Chennai, also known as Madras, is the capital and largest city of Tamil Nadu, the southernmost state of India. It is located on the Coromandel Coast of the Bay of Bengal. As per the 2011 Indian census, Chennai is the sixth-most-populous city in India and forms the fourth-most-populous urban agglomeration. The city is coterminous with Chennai district, which together with the adjoining suburbs constitutes the Chennai Metropolitan Area, one of the largest metropolitan areas of India.
Also known as "Madras", Chennai has an area of 427 km² and is home to 6.6 million people. The city dates back to 1639. Visitors come for Marina Beach, Kapaleeshwarar Temple, Fort St. George, and much more.
Chennai, formerly Madras, is the capital of Tamil Nadu and the sixth-most-populous city in India.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Chennai, with 15,457 people per km², is an extremely dense urban environment. Both cities have comparable density, though Chennai is slightly more compact.
Size Ratio
Buenos Aires fits inside Chennai ~2 times
History
Buenos Aires is ~103 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).
Chennai covers 427 km². Cities with a similar urban footprint include Vienna (415 km²), Oslo (454 km²), Denver (401 km²), Portland (376 km²), or Philadelphia (370 km²).
The straight-line distance from Buenos Aires to Chennai is 15,225 km (9,461 miles), with an estimated flight time of ~18h 25m.
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