Maine is about 16 times bigger than Delaware.

Delaware is approximately 5,060 sq km, while Maine is approximately 79,931 sq km, making Maine 1,480% larger than Delaware. Meanwhile, the population of Delaware is ~897,934 people (430,427 more people live in Maine).
Tip: This to-scale comparison of Delaware vs. Maine uses the Mercator projection, which distorts the size of regions near the poles.