City size comparison

compared to

Sydney is about 3.4 times smaller than Copenhagen.

Copenhagen is approximately 90 sq km, while Sydney is approximately 27 sq km, making Sydney 29.66% the size of Copenhagen.
Tip: This to-scale comparison of Copenhagen vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Copenhagen
Flip Comparison · See true size
See Sydney on top of Copenhagen
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Cost of Living Comparison · 7 categories - 2026 data
Copenhagen is 22.5% more expensive than Sydney
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