Helena is about 27 times smaller than Los Angeles.

Los Angeles (including the city proper only) is approximately 1,215 sq km, while Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, making Helena 3.66% the size of Los Angeles.
Tip: This to-scale comparison of Los Angeles vs. Helena uses the Mercator projection, which distorts the size of regions near the poles.
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