Alaska is about 142 times bigger than Lebanon.

Lebanon is approximately 10,400 sq km, while Alaska is approximately 1,481,348 sq km, making Alaska 14,144% larger than Lebanon. Meanwhile, the population of Lebanon is ~5.3 million people (4.6 million fewer people live in Alaska).
Tip: This to-scale comparison of Lebanon vs. Alaska uses the Mercator projection, which distorts the size of regions near the poles.