City size comparison

compared to

Sydney is about 9 times bigger than Vienna.

Vienna is approximately 415 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 818% larger than 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 25.9% cheaper than Sydney
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