Phoenix is about 10 times bigger than Fargo.

Fargo (map shows its 38 named neighbourhoods; the area covers the whole city) is approximately 133 sq km, while Phoenix is approximately 1,342 sq km, making Phoenix 907% larger than Fargo.
Tip: This to-scale comparison of Fargo vs. Phoenix 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.