District of Columbia is about 1,125 times smaller than Nebraska.

Nebraska is approximately 199,099 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.09% the size of Nebraska. Meanwhile, the population of Nebraska is ~1.8 million people (1.2 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Nebraska vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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