District of Columbia is about 157 times smaller than Haiti.

Haiti is approximately 27,750 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.64% the size of Haiti. Meanwhile, the population of Haiti is ~11.3 million people (10.7 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Haiti vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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