Cook Islands is about 240 times smaller than Croatia.

Croatia is approximately 56,594 sq km, while Cook Islands is approximately 236 sq km, making Cook Islands 0.42% the size of Croatia. Meanwhile, the population of Croatia is ~3.9 million people (3.9 million fewer people live in Cook Islands).
Tip: This to-scale comparison of Croatia vs. Cook Islands uses the Mercator projection, which distorts the size of regions near the poles.
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