Uruguay is about 428 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Uruguay is approximately 176,215 sq km, making Uruguay 42,671% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Uruguay uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Uruguay vs. Heard Island and McDonald Islands

Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.