Salem is about 4.5 times smaller than Columbus.

Columbus is approximately 574 sq km, while Salem (map shows its 1 named neighbourhoods; the area covers the whole city) is approximately 127 sq km, making Salem 22.09% the size of Columbus.
Tip: This to-scale comparison of Columbus vs. Salem 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.