City size comparison

compared to

London is about 7 times bigger than Helsinki.

Helsinki is approximately 214 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 633% larger than Helsinki.
Tip: This to-scale comparison of Helsinki vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Helsinki

Flip Comparison · See true size
See London on top of Helsinki
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Cost of Living Comparison · 7 categories - 2026 data
Helsinki is 36.5% cheaper than London
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