City size comparison

compared to

Seoul is about 10 times bigger than Newark.

Newark (map shows its 20 named neighbourhoods; the area covers the whole city) is approximately 63 sq km, while Seoul is approximately 605 sq km, making Seoul 868% larger than Newark.
Tip: This to-scale comparison of Newark vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Newark

Flip Comparison · See true size
See Seoul on top of Newark
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Cost of Living Comparison · 7 categories - 2026 data
Newark is 58.8% more expensive than Seoul
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