Oregon is about 2.1 times bigger than North Korea.

North Korea is approximately 120,538 sq km, while Oregon is approximately 248,631 sq km, making Oregon 106% larger than North Korea. Meanwhile, the population of North Korea is ~26.0 million people (22.1 million fewer people live in Oregon).
Tip: This to-scale comparison of North Korea vs. Oregon uses the Mercator projection, which distorts the size of regions near the poles.