City size comparison

compared to

Riyadh is about 3 times bigger than Seoul.

Seoul is approximately 605 sq km, while Riyadh (map shows its 9 named neighbourhoods; the area covers the whole city) is approximately 1,798 sq km, making Riyadh 197% larger than Seoul.
Tip: This to-scale comparison of Seoul vs. Riyadh uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Riyadh vs. Seoul

Flip Comparison · See true size
See Riyadh on top of Seoul
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Cost of Living Comparison · 7 categories - 2026 data
Seoul is 14.8% more expensive than Riyadh
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