City size comparison

compared to

Istanbul is about 25 times bigger than Helsinki.

Helsinki is approximately 214 sq km, while Istanbul is approximately 5,343 sq km, making Istanbul 2,392% larger than Helsinki.
Tip: This to-scale comparison of Helsinki vs. Istanbul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Istanbul vs. Helsinki

Flip Comparison · See true size
See Istanbul on top of Helsinki
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Cost of Living Comparison · 7 categories - 2026 data
Helsinki is 37.0% more expensive than Istanbul
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