City size comparison

compared to

Saint Louis is about 6 times bigger than Sydney.

Sydney is approximately 27 sq km, while Saint Louis is approximately 160 sq km, making Saint Louis 499% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Saint Louis uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Saint Louis vs. Sydney

Flip Comparison · See true size
See Saint Louis on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 26.6% more expensive than Saint Louis
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