City size comparison

compared to

Tehran is about 2.4 times smaller than Johannesburg.

Johannesburg is approximately 1,644 sq km, while Tehran is approximately 686 sq km, making Tehran 41.73% the size of Johannesburg.
Tip: This to-scale comparison of Johannesburg vs. Tehran uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Tehran vs. Johannesburg

Flip Comparison · See true size
See Tehran on top of Johannesburg
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Cost of Living Comparison · 7 categories - 2026 data
Johannesburg is 2.4 times more expensive than Tehran
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