City size comparison

compared to

Istanbul is about 3.4 times bigger than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Istanbul is approximately 5,343 sq km, making Istanbul 240% larger than London.
Tip: This to-scale comparison of London vs. Istanbul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Istanbul vs. London

Flip Comparison · See true size
See Istanbul on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 2.6 times more expensive than Istanbul
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