Alaska is about 4,688 times bigger than Malta.

Malta is approximately 316 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 468,681% larger than Malta. Meanwhile, the population of Malta is ~464,186 people (246,045 more people live in Alaska).
Tip: This to-scale comparison of Malta vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.