Alaska is about 4,306 times bigger than Grenada.

Grenada is approximately 344 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 430,524% larger than Grenada. Meanwhile, the population of Grenada is ~113,949 people (596,282 more people live in Alaska).
Tip: This to-scale comparison of Grenada vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.