City size comparison

compared to

Boston is about 2.8 times bigger than Helena.

Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, while Boston is approximately 124 sq km, making Boston 179% larger than Helena.
Tip: This to-scale comparison of Helena vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Helena

Flip Comparison · See true size
See Boston on top of Helena
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Cost of Living Comparison · 7 categories - 2026 data
Helena is 2.9% cheaper than Boston
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