City size comparison

compared to

Istanbul is about 8 times bigger than Tehran.

Tehran is approximately 686 sq km, while Istanbul is approximately 5,343 sq km, making Istanbul 679% larger than Tehran.
Tip: This to-scale comparison of Tehran vs. Istanbul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Istanbul vs. Tehran

Flip Comparison · See true size
See Istanbul on top of Tehran
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Cost of Living Comparison · 7 categories - 2026 data
Tehran is 64.4% cheaper than Istanbul
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