Rhode Island is about 3.4 times smaller than Puerto Rico.

Puerto Rico is approximately 9,104 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 29.72% the size of Puerto Rico. Meanwhile, the population of Puerto Rico is ~3.1 million people (2.0 million fewer people live in Rhode Island).
Tip: This to-scale comparison of Puerto Rico vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.
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