Budapest
525 km²
Osaka
225 km²
Hungary
Japan
Area Comparison
Budapest is 2.3x larger than Osaka
Population Comparison
Budapest has 1.6x fewer people than Osaka
Budapest is significantly larger, covering 2.3 times the area of Osaka. Budapest spans 525 km² (203 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 300 km². You could fit Osaka inside Budapest approximately 2 times.
To put Budapest's size in perspective, its area of 525 km² is about 1.2x smaller than Seoul. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
In more relatable units, Budapest's 525 km² is about 74,000 American football fields, 150 times the area of Central Park, or 9 times the area of Manhattan. For Osaka, that's about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Budapest is the capital and most populous city of Hungary. It is Hungary's primate city with 1.7 million inhabitants and its greater metro area has a population of about 3.3 million, representing one-third of the country's population and producing above 40% of the country's economic output. Budapest is the political, economic, and cultural center of the country, among the ten largest cities in the European Union and the second largest urban area in Central and Eastern Europe.
Known as "Pearl of the Danube", Budapest covers 525 km² with a population of 1.7 million. The city was established in 1873. Budapest is known for Buda Castle, Hungarian Parliament Building, Chain Bridge, among other attractions.
Budapest's metro area holds about 3.3 million people, roughly one-third of Hungary's entire population.
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…
Also known as "Nation's Kitchen", Osaka has an area of 225 km² and is home to 2.8 million people. Its history stretches back to 645. Visitors come for Osaka Castle, Dotonbori district, Universal Studios Japan, and much more. Getting around is easy with the Osaka Metro.
Osaka is the third-most populous city in Japan, following the special wards of Tokyo and Yokohama.
Budapest has a population density of 3,219 people per km² — a moderately dense city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is dramatically more crowded, with 3.8x the population density.
Size Ratio
Osaka fits inside Budapest ~2 times
Density Gap
Osaka is 3.8x more densely populated
History
Osaka is ~1,228 years older
Budapest covers 525 km². Cities with a similar urban footprint include Warsaw (517 km²), Montreal (498 km²), Prague (496 km²), Auckland (559 km²), or Mumbai (603 km²).
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).
The straight-line distance from Budapest to Osaka is 8,905 km (5,534 miles), with an estimated flight time of ~10h 59m.
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