Nebraska is around the same size as Cambodia.

Cambodia is approximately 181,035 sq km, while Nebraska is approximately 199,099 sq km, making Nebraska 10% larger than Cambodia. Meanwhile, the population of Cambodia is ~16.7 million people (14.9 million fewer people live in Nebraska).
Tip: This to-scale comparison of Cambodia vs. Nebraska uses the Mercator projection, which distorts the size of regions near the poles.