Utah is about 1,202 times bigger than District of Columbia.

District of Columbia is approximately 177 sq km, while Utah is approximately 212,751 sq km, making Utah 120,098% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~601,723 people (2.2 million more people live in Utah).
Tip: This to-scale comparison of District of Columbia vs. Utah uses the Mercator projection, which distorts the size of regions near the poles.