City size comparison

compared to

Sydney is about 16 times smaller than Vienna.

Vienna is approximately 415 sq km, while Sydney is approximately 27 sq km, making Sydney 6.44% the size of Vienna.
Tip: This to-scale comparison of Vienna vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Vienna
Flip Comparison · See true size
See Sydney on top of Vienna
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Cost of Living Comparison · 7 categories - 2026 data
Vienna is 3.7% more expensive than Sydney
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