Delaware is about 36 times smaller than Cambodia.

Cambodia is approximately 181,035 sq km, while Delaware is approximately 5,060 sq km, making Delaware 2.8% the size of Cambodia. Meanwhile, the population of Cambodia is ~16.7 million people (15.8 million fewer people live in Delaware).
Tip: This to-scale comparison of Cambodia vs. Delaware uses the Mercator projection, which distorts the size of regions near the poles.