Rhode Island is about 44 times bigger than San Marino.

San Marino is approximately 61 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 4,336% larger than San Marino. Meanwhile, the population of San Marino is ~34,682 people (1.0 million more people live in Rhode Island).
Tip: This to-scale comparison of San Marino vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.
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