Saint Helena, Ascension, and Tristan da Cunha is about 3,760 times smaller than Alaska.

Alaska is approximately 1,481,348 sq km, while Saint Helena, Ascension, and Tristan da Cunha is approximately 394 sq km, making Saint Helena, Ascension, and Tristan da Cunha 0.03% the size of Alaska. Meanwhile, the population of Alaska is ~710,231 people (702,306 fewer people live in Saint Helena, Ascension, and Tristan da Cunha).
Tip: This to-scale comparison of Alaska vs. Saint Helena, Ascension, and Tristan da Cunha uses the Mercator projection, which distorts the size of regions near the poles.