Vermont is about 13 times smaller than New Mexico.

New Mexico is approximately 314,310 sq km, while Vermont is approximately 23,956 sq km, making Vermont 7.62% the size of New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (1.4 million fewer people live in Vermont).
Tip: This to-scale comparison of New Mexico vs. Vermont uses the Mercator projection, which distorts the size of regions near the poles.