Birmingham is about 2.9 times bigger than Fargo.

Fargo (map shows its 38 named neighbourhoods; the area covers the whole city) is approximately 133 sq km, while Birmingham (map shows its 87 named neighbourhoods; the area covers the whole city) is approximately 381 sq km, making Birmingham 186% larger than Fargo.
Tip: This to-scale comparison of Fargo vs. Birmingham uses the Mercator projection, which distorts the size of regions near the poles.
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