City size comparison

compared to

Sydney is about 31 times smaller than Austin.

Austin is approximately 829 sq km, while Sydney is approximately 27 sq km, making Sydney 3.22% the size of Austin.
Tip: This to-scale comparison of Austin vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Austin
Flip Comparison · See true size
See Sydney on top of Austin
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Cost of Living Comparison · 7 categories - 2026 data
Austin is 5.8% cheaper than Sydney
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