Canada is about 56,411 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Canada is approximately 9,984,670 sq km, making Canada 5,640,956% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (37.6 million more people live in Canada).
Tip: This to-scale comparison of District of Columbia vs. Canada uses the Mercator projection, which distorts the size of regions near the poles.