City size comparison

compared to

Rotterdam is about 12 times bigger than Sydney.

Sydney is approximately 27 sq km, while Rotterdam (map shows its 22 named neighbourhoods; the area covers the whole city) is approximately 319 sq km, making Rotterdam 1,096% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Rotterdam uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rotterdam vs. Sydney

Flip Comparison · See true size
See Rotterdam on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 2.0% cheaper than Rotterdam
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