Rhode Island is about 21 times smaller than Croatia.

Croatia is approximately 56,594 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 4.78% the size of Croatia. Meanwhile, the population of Croatia is ~4.2 million people (3.1 million fewer people live in Rhode Island).
Tip: This to-scale comparison of Croatia vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.
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