Kalamazoo is about 2 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Kalamazoo is approximately 64 sq km, making Kalamazoo 103% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Kalamazoo uses the Mercator projection, which distorts the size of regions near the poles.
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