Monaco is about 740,674 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Monaco is approximately 2 sq km, making Monaco 0.0% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (678,831 fewer people live in Monaco).
Tip: This to-scale comparison of Alaska vs. Monaco uses the Mercator projection, which distorts the size of regions near the poles.