West Virginia is about 2.7 times bigger than New Hampshire.

New Hampshire is approximately 23,227 sq km, while West Virginia is approximately 62,361 sq km, making West Virginia 168% larger than New Hampshire. Meanwhile, the population of New Hampshire is ~1.3 million people (536,524 more people live in West Virginia).
Tip: This to-scale comparison of New Hampshire vs. West Virginia uses the Mercator projection, which distorts the size of regions near the poles.