City size comparison

compared to

Johannesburg is about 2.4 times bigger than Tehran.

Tehran is approximately 686 sq km, while Johannesburg is approximately 1,644 sq km, making Johannesburg 140% larger than Tehran.
Tip: This to-scale comparison of Tehran vs. Johannesburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Johannesburg vs. Tehran

Flip Comparison · See true size
See Johannesburg on top of Tehran
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Cost of Living Comparison · 7 categories - 2026 data
Tehran is 58.2% cheaper than Johannesburg
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