City size comparison

compared to

London is about 35 times bigger than Helena.

Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 3,435% larger than Helena.
Tip: This to-scale comparison of Helena vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Helena

Flip Comparison · See true size
See London on top of Helena
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Cost of Living Comparison · 7 categories - 2026 data
Helena is 5.1% cheaper than London
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