Nevada is about 4.6 times bigger than West Virginia.

West Virginia is approximately 62,361 sq km, while Nevada is approximately 284,448 sq km, making Nevada 356% larger than West Virginia. Meanwhile, the population of West Virginia is ~1.9 million people (847,557 more people live in Nevada).
Tip: This to-scale comparison of West Virginia vs. Nevada uses the Mercator projection, which distorts the size of regions near the poles.