Montenegro is about 78 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Montenegro is approximately 13,812 sq km, making Montenegro 7,703% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (3,243 more people live in Montenegro).
Tip: This to-scale comparison of District of Columbia vs. Montenegro uses the Mercator projection, which distorts the size of regions near the poles.
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