Alaska is about 30 times bigger than Dominican Republic.

Dominican Republic is approximately 48,670 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 2,944% larger than Dominican Republic. Meanwhile, the population of Dominican Republic is ~10.7 million people (10.0 million fewer people live in Alaska).
Tip: This to-scale comparison of Dominican Republic vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.