Beijing
16,411 km²
Osaka
225 km²
China
Japan
Area Comparison
Beijing is 72.9x larger than Osaka
Population Comparison
Beijing has 7.8x more people than Osaka
In terms of area, Beijing is 72.9x the size of Osaka. Beijing spans 16,411 km² (6,336 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 16,186 km². You could fit Osaka inside Beijing approximately 72 times.
To put Beijing's size in perspective, its area of 16,411 km² is about 2.6x the size of Shanghai. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
Beijing's footprint is roughly about 2,300,000 American football fields, 160 times the area of Paris, or 140 times the area of San Francisco — pick whichever unit feels intuitive. Osaka works out to about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Beijing, previously romanized as Peking, is the capital city of China. With more than 22 million residents, it is the world's most populous national capital city, as well as China's second-largest city by urban area, after Shanghai. It is located in Northern China, and is governed as a municipality under the direct administration of the State Council with 16 urban districts.
Known as "Northern Capital", Beijing covers 16,411 km² with a population of 21.5 million. The city was founded around 1045 BC. Beijing is known for Forbidden City, Great Wall, Tiananmen Square, among other attractions. The city's main transit system is the Beijing Subway.
With over 22 million residents, Beijing is the world's most populous national capital city.
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.
Looking beyond city limits, the Beijing metropolitan area covers 16,411 km², which is 1.2x larger than greater Osaka at 13,228 km². The Beijing metro area is also more populous, with 21.5 million people compared to 19.3 million.
Beijing has a population density of 1,313 people per km² — a relatively spread-out city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is dramatically more crowded, with 9.3x the population density.
Both cities are in Asia, but they represent different national approaches to urban development. Beijing (China) and Osaka (Japan) offer a fascinating regional contrast.
Beijing has a humid continental climate while Osaka experiences humid subtropical conditions.
Size Ratio
Osaka fits inside Beijing ~72 times
Density Gap
Osaka is 9.3x more densely populated
History
Beijing is ~1,690 years older
Beijing covers 16,411 km². Cities with a similar urban footprint include Hangzhou (16,854 km²), Brisbane (15,826 km²), Chengdu (14,378 km²), Sydney (12,368 km²), or Xi'an (10,097 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 Beijing to Osaka is 1,781 km (1,107 miles), with an estimated flight time of ~2h 36m.
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