New Hampshire is about 9 times bigger than Rhode Island.

Rhode Island is approximately 2,706 sq km, while New Hampshire is approximately 23,227 sq km, making New Hampshire 758% larger than Rhode Island. Meanwhile, the population of Rhode Island is ~1.1 million people (263,903 more people live in New Hampshire).
Tip: This to-scale comparison of Rhode Island vs. New Hampshire uses the Mercator projection, which distorts the size of regions near the poles.