City size comparison

compared to

Sydney is about 59 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Sydney is approximately 27 sq km, making Sydney 1.7% the size of London.
Tip: This to-scale comparison of London vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. London
Flip Comparison · See true size
See Sydney on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 25.6% more expensive than Sydney
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