Alaska is about 1.6 times smaller than Democratic Republic of the Congo.

Democratic Republic of the Congo is approximately 2,344,858 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 63.17% the size of Democratic Republic of the Congo. Meanwhile, the population of Democratic Republic of the Congo is ~108.4 million people (107.7 million fewer people live in Alaska).
Tip: This to-scale comparison of Democratic Republic of the Congo vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.