City size comparison

compared to

Boston is about 1.7 times smaller than Helsinki.

Helsinki is approximately 214 sq km, while Boston is approximately 124 sq km, making Boston 57.83% the size of Helsinki.
Tip: This to-scale comparison of Helsinki vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Helsinki

Flip Comparison · See true size
See Boston on top of Helsinki
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Cost of Living Comparison · 7 categories - 2026 data
Helsinki is 39.9% cheaper than Boston
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