City size comparison

compared to

Seoul is about 2.8 times bigger than Helsinki.

Helsinki is approximately 214 sq km, while Seoul is approximately 605 sq km, making Seoul 182% larger than Helsinki.
Tip: This to-scale comparison of Helsinki vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Helsinki

Flip Comparison · See true size
See Seoul on top of Helsinki
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Cost of Living Comparison · 7 categories - 2026 data
Helsinki is 15.7% more expensive than Seoul
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