City size comparison

compared to

Johannesburg is about 14 times bigger than Dublin.

Dublin is approximately 118 sq km, while Johannesburg is approximately 1,644 sq km, making Johannesburg 1,296% larger than Dublin.
Tip: This to-scale comparison of Dublin vs. Johannesburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Johannesburg vs. Dublin

Flip Comparison · See true size
See Johannesburg on top of Dublin
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Cost of Living Comparison · 7 categories - 2026 data
Dublin is 2.3 times more expensive than Johannesburg
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