Bermuda is about 3.3 times smaller than District of Columbia.

District of Columbia is approximately 177 sq km, while Bermuda is approximately 54 sq km, making Bermuda 30.51% the size of District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (529,386 fewer people live in Bermuda).
Tip: This to-scale comparison of District of Columbia vs. Bermuda uses the Mercator projection, which distorts the size of regions near the poles.