Australia is about 18,673 times bigger than Venice.

Venice is approximately 415 sq km, while Australia is approximately 7,741,220 sq km, making Australia 1,867,189% larger than Venice.
Tip: This to-scale comparison of Venice vs. Australia 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.