Thailand is about 4.3 times bigger than North Korea.

North Korea is approximately 120,538 sq km, while Thailand is approximately 513,120 sq km, making Thailand 326% larger than North Korea. Meanwhile, the population of North Korea is ~26.6 million people (45.0 million more people live in Thailand).
Tip: This to-scale comparison of North Korea vs. Thailand uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.