City size comparison

compared to

Portland is about 1.8 times smaller than Seoul.

Seoul is approximately 605 sq km, while Portland is approximately 346 sq km, making Portland 57.12% the size of Seoul.
Tip: This to-scale comparison of Seoul vs. Portland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Portland vs. Seoul

Flip Comparison · See true size
See Portland on top of Seoul
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Cost of Living Comparison · 7 categories - 2026 data
Seoul is 37.5% cheaper than Portland
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