Detroit is about 1.2 times smaller than Wichita.

Wichita (map shows its 73 named neighbourhoods; the area covers the whole city) is approximately 428 sq km, while Detroit (map shows its 92 named neighbourhoods; the area covers the whole city) is approximately 359 sq km, making Detroit 84.04% the size of Wichita.
Tip: This to-scale comparison of Wichita vs. Detroit uses the Mercator projection, which distorts the size of regions near the poles.
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