District of Columbia is about 168 times smaller than Armenia.

Armenia is approximately 29,743 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.6% the size of Armenia. Meanwhile, the population of Armenia is ~3.0 million people (2.4 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Armenia vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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