City size comparison

compared to

Dallas is about 4.3 times smaller than Sydney.

Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, while Dallas is approximately 880 sq km, making Dallas 23.09% the size of Sydney.
Tip: This to-scale comparison of Sydney vs. Dallas uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dallas vs. Sydney

Flip Comparison · See true size
See Dallas on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 12.4% more expensive than Dallas
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