City size comparison

compared to

Seoul is about 10 times smaller than Shanghai.

Shanghai is approximately 6,341 sq km, while Seoul is approximately 605 sq km, making Seoul 9.55% the size of Shanghai.
Tip: This to-scale comparison of Shanghai vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Shanghai

Flip Comparison · See true size
See Seoul on top of Shanghai
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Cost of Living Comparison · 7 categories - 2026 data
Shanghai is 30.4% cheaper than Seoul
→
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