Maine is about 19 times bigger than French Polynesia.

French Polynesia is approximately 4,167 sq km, while Maine is approximately 79,931 sq km, making Maine 1,818% larger than French Polynesia. Meanwhile, the population of French Polynesia is ~299,356 people (1.0 million more people live in Maine).
Tip: This to-scale comparison of French Polynesia vs. Maine uses the Mercator projection, which distorts the size of regions near the poles.