Buenos Aires
203 km²
Houston
1,725 km²
Argentina
United States
Area Comparison
Buenos Aires is 8.5x smaller than Houston
Population Comparison
Buenos Aires has 1.3x more people than Houston
Yes — Houston is 8.5x larger than Buenos Aires by area. Houston spans 1,725 km² (666 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 1,522 km². You could fit Buenos Aires inside Houston approximately 8 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Houston at 1,725 km² is roughly the same size as London.
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. Houston, by comparison, equals about 242,000 American football fields, 29 times the area of Manhattan, or 16 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.
Houston is the most populous city in the U.S. state of Texas and the Southern United States. It is the fourth-most populous city in the United States, with a population of 2.3 million at the 2020 census. The Greater Houston metropolitan area, at 7.8 million residents, is the fifth-most populous metropolitan area in the nation and second-most populous in Texas. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, Houston is the county seat of Harris County.
Also known as "Space City", Houston has an area of 1,725 km² and is home to 2.3 million people. The city dates back to 1836. Visitors come for NASA Johnson Space Center, Space Center Houston, Houston Astros, and much more.
Houston is the fourth-most populous US city with 2.3 million residents at the 2020 census, leading the entire South.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Houston, with 1,333 people per km², is a relatively spread-out city. Buenos Aires is dramatically more crowded, with 11.3x the population density.
Size Ratio
Buenos Aires fits inside Houston ~8 times
Density Gap
Buenos Aires is 11.3x more densely populated
History
Buenos Aires is ~300 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).
Houston covers 1,725 km². Cities with a similar urban footprint include Riyadh (1,798 km²), Johannesburg (1,644 km²), Bogotá (1,578 km²), London (1,572 km²), or Bangkok (1,569 km²).
The straight-line distance from Buenos Aires to Houston is 8,140 km (5,058 miles), with an estimated flight time of ~10h 5m.
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