City size comparison

compared to

Beijing is about 27 times bigger than Seoul.

Seoul is approximately 605 sq km, while Beijing is approximately 16,411 sq km, making Beijing 2,611% larger than Seoul.
Tip: This to-scale comparison of Seoul vs. Beijing uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Beijing vs. Seoul

Flip Comparison · See true size
See Beijing on top of Seoul
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Cost of Living Comparison · 7 categories - 2026 data
Seoul is 51.9% more expensive than Beijing
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