Osaka
225 km²
Taipei
272 km²
Japan
Taiwan
Area Comparison
Osaka is 1.2x smaller than Taipei
Population Comparison
Osaka has 1.0x more people than Taipei
In terms of area, Taipei is 1.2x the size of Osaka. Taipei spans 272 km² (105 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 47 km².
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Taipei at 272 km² is about 1.2x the size of Amsterdam.
Picture Osaka another way: its area is large enough to fit about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park. Taipei works out to about 38,000 American football fields, 130 times the area of Monaco, or 80 times the area of Central Park.
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.
Taipei, officially Taipei City, is the capital and a special municipality of Taiwan. Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about 25 kilometres (16 mi) southwest of the northern port city of Keelung. Most of the city rests on the Taipei Basin, an ancient lakebed. The basin is bounded by the relatively narrow valleys of the Keelung and Xindian rivers, which join to form the Tamsui River along the city's western border.
Taipei has an area of 272 km² and is home to 2.6 million people. It was established in 1709. Visitors come for Taipei 101 tower, Chiang Kai-shek Memorial, Shilin Night Market, and much more. Getting around is easy with the Taipei Metro (MRT).
Most of Taipei rests on the Taipei Basin, an ancient lakebed bounded by narrow river valleys.
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 5.4x larger than greater Taipei at 2,458 km². The Osaka metro area is also more populous, with 19.3 million people compared to 7.0 million.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Taipei, with 9,743 people per km², is a densely populated city. Both cities have comparable density, though Osaka is slightly more compact.
Both cities are in Asia, but they represent different national approaches to urban development. Osaka (Japan) and Taipei (Taiwan) offer a fascinating regional contrast.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each.
History
Osaka is ~1,064 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).
Taipei covers 272 km². Cities with a similar urban footprint include Edinburgh (259 km²), Kuala Lumpur (243 km²), Munich (311 km²), Boston (232 km²), or Osaka (225 km²).
The straight-line distance from Osaka to Taipei is 1,717 km (1,067 miles), with an estimated flight time of ~2h 31m.
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