City size comparison

compared to

London is about 2.3 times bigger than Tehran.

Tehran is approximately 686 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 129% larger than Tehran.
Tip: This to-scale comparison of Tehran vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Tehran

Flip Comparison · See true size
See London on top of Tehran
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Cost of Living Comparison · 7 categories - 2026 data
Tehran is 83.5% cheaper than London
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