District of Columbia is about 275 times smaller than Dominican Republic.

Dominican Republic is approximately 48,670 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.36% the size of Dominican Republic. Meanwhile, the population of Dominican Republic is ~10.7 million people (10.1 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Dominican Republic vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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