Gibraltar is about 14 times smaller than Miami.

Miami is approximately 92 sq km, while Gibraltar is approximately 7 sq km, making Gibraltar 7.03% the size of Miami.
Tip: This to-scale comparison of Miami vs. Gibraltar 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.