Chicago is about 3.3 times bigger than Spokane.

Spokane (map shows its 27 named neighbourhoods; the area covers the whole city) is approximately 178 sq km, while Chicago is approximately 590 sq km, making Chicago 231% larger than Spokane.
Tip: This to-scale comparison of Spokane vs. Chicago uses the Mercator projection, which distorts the size of regions near the poles.
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