Maine is about 4.8 times bigger than Hawaii.

Hawaii is approximately 16,635 sq km, while Maine is approximately 79,931 sq km, making Maine 380% larger than Hawaii. Meanwhile, the population of Hawaii is ~1.4 million people (31,940 fewer people live in Maine).
Tip: This to-scale comparison of Hawaii vs. Maine uses the Mercator projection, which distorts the size of regions near the poles.