Hong Kong is about 22 times smaller than Vermont.

Vermont is approximately 23,956 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 4.63% the size of Vermont. Meanwhile, the population of Vermont is ~625,741 people (6.7 million more people live in Hong Kong).
Tip: This to-scale comparison of Vermont vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.