Buenos Aires
203 km²
Kuala Lumpur
243 km²
Argentina
Malaysia
Area Comparison
Buenos Aires is 1.2x smaller than Kuala Lumpur
Population Comparison
Buenos Aires has 1.5x more people than Kuala Lumpur
In terms of area, Kuala Lumpur is 1.2x the size of Buenos Aires. Kuala Lumpur spans 243 km² (94 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 40 km².
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Kuala Lumpur at 243 km² is about 1.1x the size of Amsterdam.
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. For Kuala Lumpur, that's about 34,000 American football fields, 120 times the area of Monaco, or 71 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.
Kuala Lumpur (KL), officially the Federal Territory of Kuala Lumpur, is the capital city and a federal territory of Malaysia. It is the most populous city in the country, covering an area of 243 km2 (94 sq mi) with a population of 2,075,600 as of 2024. Greater Kuala Lumpur, which itself includes the Klang Valley, is an urban agglomeration of 8.8 million people as of 2024. It is among the fastest growing metropolitan regions in Southeast Asia, in terms of both population and economic development.
Also known as "KL", Kuala Lumpur has an area of 243 km² and is home to 2.0 million people. It was established in 1857. Visitors come for Petronas Twin Towers, Batu Caves, Merdeka 118, and much more. Getting around is easy with the RapidKL (LRT, MRT & Monorail).
Kuala Lumpur packs 2.07 million people into just 243 km2, making it Malaysia's most populous city by far
Looking beyond city limits, the Buenos Aires metropolitan area covers 4,758 km², which is 1.7x larger than greater Kuala Lumpur at 2,793 km². The Buenos Aires metro area is also more populous, with 15.2 million people compared to 8.4 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Kuala Lumpur, with 8,148 people per km², is a densely populated city. Buenos Aires is noticeably denser, packing 1.9 times more people per square kilometer.
This comparison spans continents — Buenos Aires in South America versus Kuala Lumpur in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Buenos Aires has a humid subtropical climate while Kuala Lumpur experiences tropical rainforest conditions. Winters differ dramatically: Kuala Lumpur stays around 27°C while Buenos Aires drops to 11°C. When it's noon in Kuala Lumpur, it's 1:00 AM in Buenos Aires — a 11-hour time difference.
Density Gap
Buenos Aires is 1.9x more densely populated
Time Difference
11 hours apart
History
Buenos Aires is ~321 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).
Kuala Lumpur covers 243 km². Cities with a similar urban footprint include Boston (232 km²), Edinburgh (259 km²), Osaka (225 km²), Amsterdam (219 km²), or Taipei (272 km²).
The straight-line distance from Buenos Aires to Kuala Lumpur is 15,955 km (9,914 miles), with an estimated flight time of ~19h 16m.
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