Wyoming is about 4 times bigger than West Virginia.

West Virginia is approximately 62,361 sq km, while Wyoming is approximately 251,489 sq km, making Wyoming 303% larger than West Virginia. Meanwhile, the population of West Virginia is ~1.9 million people (1.3 million fewer people live in Wyoming).
Tip: This to-scale comparison of West Virginia vs. Wyoming uses the Mercator projection, which distorts the size of regions near the poles.