San Marino is about 24,284 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while San Marino is approximately 61 sq km, making San Marino 0.0% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (675,549 fewer people live in San Marino).
Tip: This to-scale comparison of Alaska vs. San Marino uses the Mercator projection, which distorts the size of regions near the poles.