City size comparison

compared to

Seoul is about 1.7 times bigger than Detroit.

Detroit (map shows its 92 named neighbourhoods; the area covers the whole city) is approximately 359 sq km, while Seoul is approximately 605 sq km, making Seoul 68% larger than Detroit.
Tip: This to-scale comparison of Detroit vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Detroit

Flip Comparison · See true size
See Seoul on top of Detroit
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Cost of Living Comparison · 7 categories - 2026 data
Detroit is 27.9% more expensive than Seoul
→
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