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Thailand
Japan
Area Comparison
Bangkok is 7.0x larger than Osaka
Population Comparison
Bangkok has 3.8x more people than Osaka
In terms of area, Bangkok is 7.0x the size of Osaka. Bangkok spans 1,569 km² (606 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 1,344 km². You could fit Osaka inside Bangkok approximately 6 times.
To put Bangkok's size in perspective, its area of 1,569 km² is roughly the same size as London. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
Thailand's capital and largest city. Known as "City of Angels", Bangkok covers 1,569 km² with a population of 10.5 million. The city was established in 1782. Bangkok is known for Grand Palace, Wat Arun, Floating markets, among other attractions. The city's main transit system is the BTS Skytrain & MRT.
Bangkok's full ceremonial name is 168 characters long, making it the longest city name in the world
Japan's third-largest city and a culinary capital. Nicknamed "The Kitchen of Japan", 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, Street food culture, and much more. Getting around is easy with the Osaka Metro.
Osaka residents spend more on food per capita than any other city in Japan
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 1.7x larger than greater Bangkok at 7,762 km². The Osaka metro area is also more populous, with 19.3 million people compared to 16.2 million.
Bangkok has a population density of 6,718 people per km² — a densely populated city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is noticeably denser, packing 1.8 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Bangkok (Thailand) and Osaka (Japan) offer a fascinating regional contrast.
Bangkok has a tropical savanna climate while Osaka experiences humid subtropical conditions. Winters differ dramatically: Bangkok stays around 26°C while Osaka drops to 5°C. When it's noon in Osaka, it's 10:00 AM in Bangkok — a 2-hour time difference.
Size Ratio
Osaka fits inside Bangkok ~6 times
Density Gap
Osaka is 1.8x more densely populated
History
Osaka is ~1,137 years older
The straight-line distance from Bangkok to Osaka is 4,210 km (2,616 miles), with an estimated flight time of ~5h 27m. See full distance details, including timezone difference and city facts.
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