Heard Island and McDonald Islands is about 751 times smaller than Oman.

Oman is approximately 309,500 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.13% the size of Oman.
Tip: This to-scale comparison of Oman vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.
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