Fargo is about 2.1 times smaller than Salt Lake City.

Salt Lake City is approximately 287 sq km, while Fargo (map shows its 38 named neighbourhoods; the area covers the whole city) is approximately 133 sq km, making Fargo 46.43% the size of Salt Lake City.
Tip: This to-scale comparison of Salt Lake City vs. Fargo 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.