City size comparison

compared to

Saint Petersburg is about 54 times bigger than Sydney.

Sydney is approximately 27 sq km, while Saint Petersburg is approximately 1,439 sq km, making Saint Petersburg 5,290% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Saint Petersburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Saint Petersburg vs. Sydney

Flip Comparison · See true size
See Saint Petersburg on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 2.7 times more expensive than Saint Petersburg
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