Alaska is about 16 times bigger than Portugal.

Portugal is approximately 92,090 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 1,509% larger than Portugal. Meanwhile, the population of Portugal is ~10.2 million people (9.5 million fewer people live in Alaska).
Tip: This to-scale comparison of Portugal vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.