Kenya is about 2.9 times bigger than Nebraska.

Nebraska is approximately 199,099 sq km, while Kenya is approximately 580,367 sq km, making Kenya 191% larger than Nebraska. Meanwhile, the population of Nebraska is ~1.8 million people (54.0 million more people live in Kenya).
Tip: This to-scale comparison of Nebraska vs. Kenya uses the Mercator projection, which distorts the size of regions near the poles.