Cambodia is about 8 times bigger than Vermont.

Vermont is approximately 23,956 sq km, while Cambodia is approximately 181,035 sq km, making Cambodia 656% larger than Vermont. Meanwhile, the population of Vermont is ~625,741 people (16.1 million more people live in Cambodia).
Tip: This to-scale comparison of Vermont vs. Cambodia uses the Mercator projection, which distorts the size of regions near the poles.