Indonesia is about 6 times bigger than New Mexico.

New Mexico is approximately 314,310 sq km, while Indonesia is approximately 1,904,569 sq km, making Indonesia 506% larger than New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (275.3 million more people live in Indonesia).
Tip: This to-scale comparison of New Mexico vs. Indonesia uses the Mercator projection, which distorts the size of regions near the poles.