Moscow is about 6 times smaller than Timor-Leste.

Timor-Leste is approximately 14,874 sq km, while Moscow is approximately 2,562 sq km, making Moscow 17.22% the size of Timor-Leste.
Tip: This to-scale comparison of Timor-Leste vs. Moscow uses the Mercator projection, which distorts the size of regions near the poles.