District of Columbia is about 3,116 times smaller than France.

France is approximately 551,500 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.03% the size of France. Meanwhile, the population of France is ~68.3 million people (67.7 million fewer people live in District of Columbia).
Tip: This to-scale comparison of France vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.