City size comparison

compared to

Seattle is about 18 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 Seattle is approximately 217 sq km, making Seattle 5.7% the size of Sydney.
Tip: This to-scale comparison of Sydney vs. Seattle uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seattle vs. Sydney

Flip Comparison · See true size
See Seattle on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 11.2% cheaper than Seattle
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