City size comparison

compared to

Sydney is about 23 times smaller than Seoul.

Seoul is approximately 605 sq km, while Sydney is approximately 27 sq km, making Sydney 4.41% the size of Seoul.
Tip: This to-scale comparison of Seoul vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Seoul

Flip Comparison · See true size
See Sydney on top of Seoul
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Cost of Living Comparison · 7 categories - 2026 data
Seoul is 27.1% cheaper than Sydney
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