Milwaukee is about 1.6 times smaller than Denver.

Denver is approximately 396 sq km, while Milwaukee is approximately 249 sq km, making Milwaukee 62.83% the size of Denver.
Tip: This to-scale comparison of Denver vs. Milwaukee 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.