Maldives is about 2.7 times smaller than Canberra.

Canberra is approximately 814 sq km, while Maldives is approximately 298 sq km, making Maldives 36.6% the size of Canberra.
Tip: This to-scale comparison of Canberra vs. Maldives uses the Mercator projection, which distorts the size of regions near the poles.