Vermont is about 2.6 times smaller than West Virginia.

West Virginia is approximately 62,361 sq km, while Vermont is approximately 23,956 sq km, making Vermont 38.42% the size of West Virginia. Meanwhile, the population of West Virginia is ~1.9 million people (1.2 million fewer people live in Vermont).
Tip: This to-scale comparison of West Virginia vs. Vermont uses the Mercator projection, which distorts the size of regions near the poles.