City size comparison

compared to

Johannesburg is about 3.3 times bigger than Prague.

Prague is approximately 496 sq km, while Johannesburg is approximately 1,644 sq km, making Johannesburg 231% larger than Prague.
Tip: This to-scale comparison of Prague vs. Johannesburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Johannesburg vs. Prague

Flip Comparison · See true size
See Johannesburg on top of Prague
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Cost of Living Comparison · 7 categories - 2026 data
Prague is 41.1% more expensive than Johannesburg
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