Vermont is about 8 times smaller than Cambodia.

Cambodia is approximately 181,035 sq km, while Vermont is approximately 23,956 sq km, making Vermont 13.23% the size of Cambodia. Meanwhile, the population of Cambodia is ~16.7 million people (16.1 million fewer people live in Vermont).
Tip: This to-scale comparison of Cambodia vs. Vermont uses the Mercator projection, which distorts the size of regions near the poles.