Bangkok is about 6 times bigger than Milwaukee.

Milwaukee is approximately 249 sq km, while Bangkok is approximately 1,569 sq km, making Bangkok 530% larger than Milwaukee.
Tip: This to-scale comparison of Milwaukee vs. Bangkok 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.