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Japan
Australia
Area Comparison
Osaka is 55.0x smaller than Sydney
Population Comparison
Osaka has 1.9x fewer people than Sydney
Sydney is significantly larger, covering 55.0 times the area of Osaka. Sydney spans 12,368 km² (4,775 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 12,143 km². You could fit Osaka inside Sydney approximately 54 times.
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
Japan's third-largest city and a culinary capital. Known as "The Kitchen of Japan", 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, Street food culture, among other attractions. The city's main transit system is the Osaka Metro.
Osaka residents spend more on food per capita than any other city in Japan
Australia's largest city, known for the Opera House. Often called "The Harbour City", Sydney has an area of 12,368 km² and is home to 5.3 million people. Its history stretches back to 1788. Visitors come for Sydney Opera House, Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney's administrative area is so large it stretches from the coast to the Blue Mountains foothills
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 1.1x larger than greater Sydney at 12,368 km². The Osaka metro area is also more populous, with 19.3 million people compared to 5.3 million.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Sydney, with 429 people per km², is a low-density, sprawling urban area. Osaka is dramatically more crowded, with 28.5x the population density.
This comparison spans continents — Osaka in Asia versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each.
Size Ratio
Osaka fits inside Sydney ~54 times
Density Gap
Osaka is 28.5x more densely populated
History
Osaka is ~1,143 years older
The straight-line distance from Osaka to Sydney is 7,797 km (4,845 miles), with an estimated flight time of ~9h 40m. See full distance details, including timezone difference and city facts.
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