Gambia is about 64 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Gambia is approximately 11,300 sq km, making Gambia 6,284% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (1.8 million more people live in Gambia).
Tip: This to-scale comparison of District of Columbia vs. Gambia uses the Mercator projection, which distorts the size of regions near the poles.
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