City size comparison

compared to

Seoul is about 3.8 times bigger than Washington.

Washington is approximately 158 sq km, while Seoul is approximately 605 sq km, making Seoul 282% larger than Washington.
Tip: This to-scale comparison of Washington vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Washington

Flip Comparison · See true size
See Seoul on top of Washington
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Cost of Living Comparison · 7 categories - 2026 data
Washington is 81.5% more expensive than Seoul
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