Osaka
225 km²
Singapore
733 km²
Japan
Singapore
Area Comparison
Osaka is 3.3x smaller than Singapore
Population Comparison
Osaka has 2.0x fewer people than Singapore
In terms of area, Singapore is 3.3x the size of Osaka. Singapore spans 733 km² (283 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 508 km². You could fit Osaka inside Singapore approximately 3 times.
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Singapore at 733 km² is roughly the same size as New York City.
Picture Osaka another way: its area is large enough to fit about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park. Singapore works out to about 103,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris.
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.
Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. Its territory comprises a main island, over 60 satellite islands and islets, and one outlying islet. The country is about one degree of latitude north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to the east and the Straits of Johor along…
Also known as "Lion City", Singapore has an area of 733 km² and is home to 5.5 million people. It was established in 1819. Visitors come for Marina Bay Sands, Gardens by the Bay, Merlion statue, and much more. Getting around is easy with the MRT Singapore.
Singapore is a city-state made up of one main island plus over 60 satellite islands and islets.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Singapore, with 7,435 people per km², is a densely populated city. Osaka is noticeably denser, packing 1.6 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Osaka (Japan) and Singapore (Singapore) offer a fascinating regional contrast.
Osaka has a humid subtropical climate while Singapore experiences tropical rainforest conditions. Winters differ dramatically: Singapore stays around 27°C while Osaka drops to 5°C.
Size Ratio
Osaka fits inside Singapore ~3 times
Density Gap
Osaka is 1.6x more densely populated
History
Osaka is ~1,174 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).
Singapore covers 733 km². Cities with a similar urban footprint include Tehran (730 km²), Bangalore (741 km²), Hamburg (755 km²), Nairobi (696 km²), or New York (783 km²).
The straight-line distance from Osaka to Singapore is 4,951 km (3,077 miles), with an estimated flight time of ~6h 20m.
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