District of Columbia is about 681 times smaller than North Korea.

North Korea is approximately 120,538 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.15% the size of North Korea. Meanwhile, the population of North Korea is ~26.0 million people (25.4 million fewer people live in District of Columbia).
Tip: This to-scale comparison of North Korea vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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