Stockton is about 5 times smaller than Canberra.

Canberra is approximately 814 sq km, while Stockton is approximately 164 sq km, making Stockton 20.13% the size of Canberra.
Tip: This to-scale comparison of Canberra vs. Stockton 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.