Rhode Island is about 30 times smaller than Maine.

Maine is approximately 79,931 sq km, while Rhode Island is approximately 2,706 sq km, making Rhode Island 3.39% the size of Maine. Meanwhile, the population of Maine is ~1.3 million people (275,794 fewer people live in Rhode Island).
Tip: This to-scale comparison of Maine vs. Rhode Island uses the Mercator projection, which distorts the size of regions near the poles.