Hawaii is about 1.4 times smaller than Vermont.

Vermont is approximately 23,956 sq km, while Hawaii is approximately 16,635 sq km, making Hawaii 69.44% the size of Vermont. Meanwhile, the population of Vermont is ~625,741 people (734,560 more people live in Hawaii).
Tip: This to-scale comparison of Vermont vs. Hawaii uses the Mercator projection, which distorts the size of regions near the poles.