New Mexico is about 1,403 times bigger than American Samoa.

American Samoa is approximately 224 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 140,217% larger than American Samoa. Meanwhile, the population of American Samoa is ~45,443 people (2.0 million more people live in New Mexico).
Tip: This to-scale comparison of American Samoa vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.