Oslo
454 km²
São Paulo
1,521 km²
Norway
Brazil
Area Comparison
Oslo is 3.4x smaller than São Paulo
Population Comparison
Oslo has 17.1x fewer people than São Paulo
In terms of area, São Paulo is 3.4x the size of Oslo. São Paulo spans 1,521 km² (587 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 1,067 km². You could fit Oslo inside São Paulo approximately 3 times.
To put Oslo's size in perspective, its area of 454 km² is about 1.3x smaller than Seoul. Meanwhile, São Paulo at 1,521 km² is roughly the same size as London.
Oslo's footprint is roughly about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan — pick whichever unit feels intuitive. São Paulo, by comparison, equals about 213,000 American football fields, 26 times the area of Manhattan, or 14 times the area of Paris.
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.
Known as "Tigerstaden", Oslo covers 454 km² with a population of 0.7 million. The city was established in 1048. Oslo is known for Vigeland Park, Oslo Opera House, Akershus Fortress, among other attractions.
Oslo is both a county and a municipality, with the city itself home to about 724,000 residents in 2025.
São Paulo is the capital city of the state of the same name, as well as the most populous city in Brazil, South America, the Americas, and in both the Western and Southern Hemispheres. The city exerts international influence in commerce, finance, culture, gastronomy, arts, fashion, technology, entertainment and media, having been listed by UNESCO's Creative Cities Network as a "City of Film" and the title of "World Capital of Gastronomy", and by the Globalization and World Cities Research…
Often called "Sampa", São Paulo has an area of 1,521 km² and is home to 12.3 million people. The city dates back to 1554. Visitors come for Avenida Paulista, Ibirapuera Park, São Paulo Museum of Art, and much more. Getting around is easy with the São Paulo Metro.
São Paulo is the most populous city in Brazil, the Americas, and both the Western and Southern Hemispheres.
Oslo has a population density of 1,586 people per km² — a relatively spread-out city. São Paulo, with 8,107 people per km², is a densely populated city. São Paulo is dramatically more crowded, with 5.1x the population density.
Size Ratio
Oslo fits inside São Paulo ~3 times
Density Gap
São Paulo is 5.1x more densely populated
History
Oslo is ~506 years older
Oslo covers 454 km². Cities with a similar urban footprint include Prague (496 km²), Vienna (415 km²), Montreal (498 km²), Denver (401 km²), or Warsaw (517 km²).
São Paulo covers 1,521 km². Cities with a similar urban footprint include Mexico City (1,485 km²), Delhi (1,484 km²), Bangkok (1,569 km²), London (1,572 km²), or Bogotá (1,578 km²).
The straight-line distance from Oslo to São Paulo is 10,633 km (6,607 miles), with an estimated flight time of ~13h 1m.
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