City size comparison

compared to

Sydney is about 17 times bigger than Osaka.

Osaka is approximately 223 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 1,608% larger than Osaka.
Tip: This to-scale comparison of Osaka vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Osaka

Flip Comparison · See true size
See Sydney on top of Osaka
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Cost of Living Comparison · 7 categories - 2026 data
Osaka is 54.8% cheaper than Sydney
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