Berlin
892 km²
Osaka
225 km²
Germany
Japan
Area Comparison
Berlin is 4.0x larger than Osaka
Population Comparison
Berlin has 1.3x more people than Osaka
Berlin is significantly larger, covering 4.0 times the area of Osaka. Berlin spans 892 km² (344 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 667 km². You could fit Osaka inside Berlin approximately 3 times.
To put Berlin's size in perspective, its area of 892 km² is about 1.1x the size of New York City. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
Berlin's footprint is roughly about 125,000 American football fields, 15 times the area of Manhattan, or 8 times the area of Paris — pick whichever unit feels intuitive. For Osaka, that's about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Berlin is the capital of Germany, as well as its largest city by both area and population. With 3.7 million inhabitants, it has the highest population within its city limits of any city in the European Union. The city is also one of the states of Germany, being the third-smallest state in the country by area. Berlin is surrounded by the state of Brandenburg, bordering Brandenburg's capital Potsdam to the southwest.
Berlin covers 892 km² with a population of 3.6 million. The city was established in 1237. Berlin is known for Brandenburg Gate, Berlin Wall, Reichstag Building, among other attractions. The city's main transit system is the BVG (U-Bahn & S-Bahn).
Berlin holds the highest population within city limits of any city in the European Union, with 3.7 million inhabitants.
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…
Often called "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.
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 3.5x larger than greater Berlin at 3,743 km². The Osaka metro area is also more populous, with 19.3 million people compared to 6.1 million.
Berlin has a population density of 4,092 people per km² — a moderately dense city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is noticeably denser, packing 3.0 times more people per square kilometer.
This comparison spans continents — Berlin in Europe versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Berlin has a oceanic climate while Osaka experiences humid subtropical conditions. Summers are notably different: Osaka averages 28°C compared to 19°C in Berlin. When it's noon in Osaka, it's 4:00 AM in Berlin — a 8-hour time difference.
Size Ratio
Osaka fits inside Berlin ~3 times
Density Gap
Osaka is 3.0x more densely populated
Time Difference
8 hours apart
History
Osaka is ~592 years older
Berlin covers 892 km². Cities with a similar urban footprint include Santiago (838 km²), Kyoto (828 km²), San Diego (964 km²), Abu Dhabi (972 km²), or Dallas (997 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 Berlin to Osaka is 8,817 km (5,478 miles), with an estimated flight time of ~10h 52m.
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