Kalamazoo is about 2.6 times smaller than Amsterdam.

Amsterdam is approximately 166 sq km, while Kalamazoo is approximately 64 sq km, making Kalamazoo 38.5% the size of Amsterdam.
Tip: This to-scale comparison of Amsterdam vs. Kalamazoo uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.