City size comparison

compared to

Buenos Aires is about 3 times smaller than Seoul.

Seoul is approximately 605 sq km, while Buenos Aires is approximately 203 sq km, making Buenos Aires 33.59% the size of Seoul.
Tip: This to-scale comparison of Seoul vs. Buenos Aires uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Buenos Aires vs. Seoul

Flip Comparison · See true size
See Buenos Aires on top of Seoul
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Cost of Living Comparison · 7 categories - 2026 data
Seoul is 15.2% more expensive than Buenos Aires
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