City size comparison

compared to

Seoul is about 6 times bigger than Barcelona.

Barcelona is approximately 101 sq km, while Seoul is approximately 605 sq km, making Seoul 497% larger than Barcelona.
Tip: This to-scale comparison of Barcelona vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Barcelona

Flip Comparison · See true size
See Seoul on top of Barcelona
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Cost of Living Comparison · 7 categories - 2026 data
Barcelona is 20.0% more expensive than Seoul
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