City size comparison

compared to

Philadelphia is about 1.7 times smaller than Seoul.

Seoul is approximately 605 sq km, while Philadelphia is approximately 348 sq km, making Philadelphia 57.48% the size of Seoul.
Tip: This to-scale comparison of Seoul vs. Philadelphia uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Philadelphia vs. Seoul

Flip Comparison · See true size
See Philadelphia on top of Seoul
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Cost of Living Comparison · 7 categories - 2026 data
Seoul is 33.0% cheaper than Philadelphia
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