New Mexico is about 13 times bigger than Vermont.

Vermont is approximately 23,956 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 1,212% larger than Vermont. Meanwhile, the population of Vermont is ~625,741 people (1.4 million more people live in New Mexico).
Tip: This to-scale comparison of Vermont vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.