Nevada is about 1.4 times bigger than Nebraska.

Nebraska is approximately 199,099 sq km, while Nevada is approximately 284,448 sq km, making Nevada 43% larger than Nebraska. Meanwhile, the population of Nebraska is ~1.8 million people (874,210 more people live in Nevada).
Tip: This to-scale comparison of Nebraska vs. Nevada uses the Mercator projection, which distorts the size of regions near the poles.