City size comparison

compared to

Seoul is about 2.7 times smaller than Johannesburg.

Johannesburg is approximately 1,644 sq km, while Seoul is approximately 605 sq km, making Seoul 36.82% the size of Johannesburg.
Tip: This to-scale comparison of Johannesburg vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Seoul vs. Johannesburg

Flip Comparison · See true size
See Seoul on top of Johannesburg
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Cost of Living Comparison · 7 categories - 2026 data
Johannesburg is 28.0% cheaper than Seoul
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