City size comparison

compared to

Seoul is about 2 times smaller than Rio De Janeiro.

Rio De Janeiro is approximately 1,221 sq km, while Seoul is approximately 605 sq km, making Seoul 49.57% the size of Rio De Janeiro.
Tip: This to-scale comparison of Rio De Janeiro vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Rio De Janeiro

Flip Comparison · See true size
See Seoul on top of Rio De Janeiro
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Cost of Living Comparison · 7 categories - 2026 data
Rio De Janeiro is 24.7% cheaper than Seoul
→
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