District of Columbia is about 6,888 times smaller than South Africa.

South Africa is approximately 1,219,090 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.01% the size of South Africa. Meanwhile, the population of South Africa is ~57.5 million people (56.9 million fewer people live in District of Columbia).
Tip: This to-scale comparison of South Africa vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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