Indianapolis is about 7 times bigger than Salem.

Salem (map shows its 1 named neighbourhoods; the area covers the whole city) is approximately 127 sq km, while Indianapolis is approximately 935 sq km, making Indianapolis 638% larger than Salem.
Tip: This to-scale comparison of Salem vs. Indianapolis uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.