Las Vegas is around the same size as Venice.

Venice is approximately 415 sq km, while Las Vegas is approximately 367 sq km, making Las Vegas 88.62% the size of Venice.
Tip: This to-scale comparison of Venice vs. Las Vegas 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.