Indianapolis is about 1.3 times smaller than Nashville.

Nashville (map shows its 91 named neighbourhoods; the area covers the whole city) is approximately 1,232 sq km, while Indianapolis is approximately 935 sq km, making Indianapolis 75.91% the size of Nashville.
Tip: This to-scale comparison of Nashville vs. Indianapolis uses the Mercator projection, which distorts the size of regions near the poles.
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