Montenegro is about 294 times bigger than Pitcairn Islands.

Pitcairn Islands is approximately 47 sq km, while Montenegro is approximately 13,812 sq km, making Montenegro 29,287% larger than Pitcairn Islands. Meanwhile, the population of Pitcairn Islands is ~50 people (604,916 more people live in Montenegro).
Tip: This to-scale comparison of Pitcairn Islands vs. Montenegro uses the Mercator projection, which distorts the size of regions near the poles.
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