Rhode Island is about 1,353 times bigger than Monaco.

Monaco is approximately 2 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 135,200% larger than Monaco. Meanwhile, the population of Monaco is ~31,400 people (1.0 million more people live in Rhode Island).
Tip: This to-scale comparison of Monaco vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.
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