City size comparison

compared to

Vienna is about 16 times bigger than Sydney.

Sydney is approximately 27 sq km, while Vienna is approximately 415 sq km, making Vienna 1,453% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Vienna vs. Sydney
Flip Comparison · See true size
See Vienna on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 44.4% more expensive than Vienna
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