Timor-Leste is about 36 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Timor-Leste is approximately 14,874 sq km, making Timor-Leste 3,510% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Timor-Leste uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Timor-Leste vs. Heard Island and McDonald Islands

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