Hong Kong is about 72 times smaller than Maine.

Maine is approximately 79,931 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 1.39% the size of Maine. Meanwhile, the population of Maine is ~1.3 million people (5.9 million more people live in Hong Kong).
Tip: This to-scale comparison of Maine vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.