District of Columbia is about 3,279 times smaller than Kenya.

Kenya is approximately 580,367 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.03% the size of Kenya. Meanwhile, the population of Kenya is ~55.9 million people (55.3 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Kenya vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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