Osaka
225 km²
São Paulo
1,521 km²
Japan
Brazil
Area Comparison
Osaka is 6.8x smaller than São Paulo
Population Comparison
Osaka has 4.5x fewer people than São Paulo
São Paulo is significantly larger, covering 6.8 times the area of Osaka. São Paulo spans 1,521 km² (587 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 1,296 km². You could fit Osaka inside São Paulo approximately 6 times.
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, São Paulo at 1,521 km² is roughly the same size as London.
In more relatable units, Osaka's 225 km² is about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park. For São Paulo, that's about 213,000 American football fields, 26 times the area of Manhattan, or 14 times the area of Paris.
Osaka is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third-most populous city in Japan, following the special wards of Tokyo and Yokohama. With an estimated population of 2,816,247 as of October 1, 2025 and a population density of about 12,505 people per square kilometer, it is the largest component of the Keihanshin Metropolitan Area, the second-largest metropolitan area in Japan and the 10th-largest urban…
Known as "Nation's Kitchen", Osaka covers 225 km² with a population of 2.8 million. The city was established in 645. Osaka is known for Osaka Castle, Dotonbori district, Universal Studios Japan, among other attractions. The city's main transit system is the Osaka Metro.
Osaka is the third-most populous city in Japan, following the special wards of Tokyo and Yokohama.
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…
Nicknamed "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.
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 1.7x larger than greater São Paulo at 7,947 km². The São Paulo metro area is also more populous, with 22.0 million people compared to 19.3 million.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. São Paulo, with 8,107 people per km², is a densely populated city. Osaka is noticeably denser, packing 1.5 times more people per square kilometer.
This comparison spans continents — Osaka in Asia versus São Paulo in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each. When it's noon in Osaka, it's midnight in São Paulo — a 12-hour time difference.
Size Ratio
Osaka fits inside São Paulo ~6 times
Density Gap
Osaka is 1.5x more densely populated
Time Difference
12 hours apart
History
Osaka is ~909 years older
Osaka covers 225 km². Cities with a similar urban footprint include Amsterdam (219 km²), Boston (232 km²), Helsinki (214 km²), Kuala Lumpur (243 km²), or Buenos Aires (203 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 Osaka to São Paulo is 18,759 km (11,656 miles), with an estimated flight time of ~22h 34m.
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