City size comparison

compared to

Seattle is about 8 times bigger than Sydney.

Sydney is approximately 27 sq km, while Seattle is approximately 217 sq km, making Seattle 714% larger than 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 10.2% cheaper than Seattle
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