Miami is about 2.1 times smaller than Braunschweig.

Braunschweig is approximately 193 sq km, while Miami is approximately 92 sq km, making Miami 47.95% the size of Braunschweig.
Tip: This to-scale comparison of Braunschweig vs. Miami 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.