City size comparison

compared to

Austin is about 31 times bigger than Sydney.

Sydney is approximately 27 sq km, while Austin is approximately 829 sq km, making Austin 3,004% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Austin uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Austin vs. Sydney
Flip Comparison · See true size
See Austin on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 24.0% more expensive than Austin
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