Fargo is about 3 times bigger than Hartford.

Hartford is approximately 45 sq km, while Fargo (map shows its 38 named neighbourhoods; the area covers the whole city) is approximately 133 sq km, making Fargo 196% larger than Hartford.
Tip: This to-scale comparison of Hartford vs. Fargo uses the Mercator projection, which distorts the size of regions near the poles.
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