Melbourne
9,993 km²
Osaka
225 km²
Australia
Japan
Area Comparison
Melbourne is 44.4x larger than Osaka
Population Comparison
Melbourne has 1.8x more people than Osaka
Melbourne is significantly larger, covering 44.4 times the area of Osaka. Melbourne spans 9,993 km² (3,858 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 9,768 km². You could fit Osaka inside Melbourne approximately 44 times.
To put Melbourne's size in perspective, its area of 9,993 km² is about 1.6x the size of Shanghai. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
In more relatable units, Melbourne's 9,993 km² is about 1,400,000 American football fields, 170 times the area of Manhattan, or 95 times the area of Paris. For Osaka, that's about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Melbourne is the capital and most populous city of the Australian state of Victoria, and the second most-populous city in Australia. The city's name generally refers to a 9,993-square-kilometre (3,858 sq mi) area, comprising an urban agglomeration of 31 local government areas. The name is also used to specifically refer to the local government area named City of Melbourne, whose area is centred on the Melbourne central business district and some immediate surrounds.
Melbourne covers 9,993 km² with a population of 5.1 million. The city was established in 1835. Melbourne is known for Federation Square, Flinders Street Station, Melbourne Cricket Ground, among other attractions. The city's main transit system is the Melbourne Trams & Metro.
Melbourne's metropolitan area spans 9,993 square kilometers across 31 local government areas, making it Australia's second-most-populous 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. It was established in 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 1.3x larger than greater Melbourne at 9,993 km². The Osaka metro area is also more populous, with 19.3 million people compared to 5.1 million.
Melbourne has a population density of 508 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 24.1x the population density.
This comparison spans continents — Melbourne in Oceania versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Melbourne has a oceanic climate while Osaka experiences humid subtropical conditions.
Size Ratio
Osaka fits inside Melbourne ~44 times
Density Gap
Osaka is 24.1x more densely populated
History
Osaka is ~1,190 years older
Melbourne covers 9,993 km². Cities with a similar urban footprint include Xi'an (10,097 km²), Wuhan (8,569 km²), Sydney (12,368 km²), Guangzhou (7,434 km²), or Chengdu (14,378 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 Melbourne to Osaka is 8,121 km (5,046 miles), with an estimated flight time of ~10h 3m.
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