Fort Wayne is about 4.2 times smaller than Los Angeles.

Los Angeles (including the city proper only) is approximately 1,215 sq km, while Fort Wayne (map shows its 315 named neighbourhoods; the area covers the whole city) is approximately 289 sq km, making Fort Wayne 23.83% the size of Los Angeles.
Tip: This to-scale comparison of Los Angeles vs. Fort Wayne uses the Mercator projection, which distorts the size of regions near the poles.
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