Buenos Aires
203 km²
Portland
376 km²
Argentina
United States
Area Comparison
Buenos Aires is 1.9x smaller than Portland
Population Comparison
Buenos Aires has 4.7x more people than Portland
Yes — Portland is 1.9x larger than Buenos Aires by area. Portland spans 376 km² (145 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 173 km².
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
Picture Buenos Aires another way: its area is large enough to fit about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park. Portland, by comparison, equals about 53,000 American football fields, 190 times the area of Monaco, or 110 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.
Portland is the most populous city in the U.S. state of Oregon. Located in the Pacific Northwest at the confluence of the Willamette and Columbia rivers, it is the 28th-most populous city in the United States, sixth-most populous on the West Coast, and fourth-most populous in the Pacific Northwest, with a population of 652,503 at the 2020 census. The Portland metropolitan area, with over 2.54 million residents, is the 26th-largest metropolitan area in the nation.
Also known as "Rose City", Portland has an area of 376 km² and is home to 0.7 million people. Visitors come for Powell's City of Books, Voodoo Doughnut, Washington Park, and much more.
Portland sits at the confluence of the Willamette and Columbia rivers in the Pacific Northwest.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Portland, with 1,729 people per km², is a relatively spread-out city. Buenos Aires is dramatically more crowded, with 8.7x the population density.
Density Gap
Buenos Aires is 8.7x 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).
Portland covers 376 km². Cities with a similar urban footprint include Philadelphia (370 km²), Seattle (369 km²), Dhaka (368 km²), Denver (401 km²), or Atlanta (348 km²).
The straight-line distance from Buenos Aires to Portland is 11,000 km (6,835 miles), with an estimated flight time of ~13h 26m.
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