Buenos Aires
203 km²
Xi'an
10,097 km²
Argentina
People's Republic of China
Area Comparison
Buenos Aires is 49.7x smaller than Xi'an
Population Comparison
Buenos Aires has 4.2x fewer people than Xi'an
Xi'an is significantly larger, covering 49.7 times the area of Buenos Aires. Xi'an spans 10,097 km² (3,898 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 9,894 km². You could fit Buenos Aires inside Xi'an approximately 49 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Xi'an at 10,097 km² is about 1.6x the size of Shanghai.
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 Xi'an, that's about 1,400,000 American football fields, 170 times the area of Manhattan, or 96 times the area of Paris.
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.
Xi'an is the capital of the Chinese province of Shaanxi. A sub-provincial city on the Guanzhong plain, the city is the third-most populous city in Western China after Chongqing and Chengdu, as well as the most populous city in Northwestern China. Its total population was 12.95 million in the 2020 census, including an urban population of 9.28 million.
Often called "Ancient Capital", Xi'an has an area of 10,097 km² and is home to 12.9 million people. Visitors come for Terracotta Army, Xi'an City Wall, Big Wild Goose Pagoda, and much more.
Xi'an's 2020 census recorded 12.95 million residents, making it the most populous city in Northwestern China.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Xi'an, with 1,283 people per km², is a relatively spread-out city. Buenos Aires is dramatically more crowded, with 11.7x the population density.
Size Ratio
Buenos Aires fits inside Xi'an ~49 times
Density Gap
Buenos Aires is 11.7x more densely populated
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).
Xi'an covers 10,097 km². Cities with a similar urban footprint include Melbourne (9,993 km²), Wuhan (8,569 km²), Sydney (12,368 km²), Guangzhou (7,434 km²), or Chengdu (14,378 km²).
The straight-line distance from Buenos Aires to Xi'an is 18,853 km (11,714 miles), with an estimated flight time of ~22h 41m.
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