Heard Island and McDonald Islands is about 269 times smaller than Cuba.

Cuba is approximately 110,860 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.37% the size of Cuba.
Tip: This to-scale comparison of Cuba vs. Heard Island and McDonald Islands 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.