Miami is about 3.2 times smaller than Tampa.

Tampa is approximately 297 sq km, while Miami is approximately 92 sq km, making Miami 31.16% the size of Tampa.
Tip: This to-scale comparison of Tampa 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.