Osaka
225 km²
Prague
496 km²
Japan
Czech Republic
Area Comparison
Osaka is 2.2x smaller than Prague
Population Comparison
Osaka has 2.0x more people than Prague
Prague is significantly larger, covering 2.2 times the area of Osaka. Prague spans 496 km² (192 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 271 km². You could fit Osaka inside Prague approximately 2 times.
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Prague at 496 km² is about 1.2x smaller than Seoul.
Osaka's footprint is roughly about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park — pick whichever unit feels intuitive. For Prague, that's about 69,000 American football fields, 150 times the area of Central Park, or 8 times the area of Manhattan.
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.
Prague is the capital and largest city of the Czech Republic and the historical capital of Bohemia. Located on the Vltava River, the city has a population of about 1.4 million, making it the twelfth-largest city in the European Union. Its metropolitan area is home to approximately 2.3 million people.
Often called "The City of a Hundred Spires", Prague has an area of 496 km² and is home to 1.4 million people. Its history stretches back to 800. Visitors come for Charles Bridge, Prague Castle, Old Town Square, and much more.
Prague is the historical capital of Bohemia and today serves as the Czech Republic's capital and largest city.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Prague, with 2,823 people per km², is a moderately dense city. Osaka is dramatically more crowded, with 4.3x the population density.
Size Ratio
Osaka fits inside Prague ~2 times
Density Gap
Osaka is 4.3x more densely populated
History
Osaka is ~155 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).
Prague covers 496 km². Cities with a similar urban footprint include Montreal (498 km²), Warsaw (517 km²), Budapest (525 km²), Oslo (454 km²), or Auckland (559 km²).
The straight-line distance from Osaka to Prague is 8,956 km (5,565 miles), with an estimated flight time of ~11h 2m.
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