Miami is about 2.2 times smaller than Fremont.

Fremont (map shows its 28 named neighbourhoods; the area covers the whole city) is approximately 202 sq km, while Miami is approximately 92 sq km, making Miami 45.68% the size of Fremont.
Tip: This to-scale comparison of Fremont vs. Miami uses the Mercator projection, which distorts the size of regions near the poles.
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