Tampa is about 1.4 times smaller than Vienna.

Vienna is approximately 415 sq km, while Tampa is approximately 297 sq km, making Tampa 71.49% the size of Vienna.
Tip: This to-scale comparison of Vienna vs. Tampa 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.