Windsor is about 6 times smaller than Canberra.

Canberra is approximately 814 sq km, while Windsor is approximately 146 sq km, making Windsor 17.97% the size of Canberra.
Tip: This to-scale comparison of Canberra vs. Windsor 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.