Lithuania is around the same size as West Virginia.

West Virginia is approximately 62,361 sq km, while Lithuania is approximately 65,300 sq km, making Lithuania 5% larger than West Virginia. Meanwhile, the population of West Virginia is ~1.9 million people (830,552 more people live in Lithuania).
Tip: This to-scale comparison of West Virginia vs. Lithuania uses the Mercator projection, which distorts the size of regions near the poles.