New Mexico is about 284 times bigger than Hong Kong.

Hong Kong is approximately 1,108 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 28,267% larger than Hong Kong. Meanwhile, the population of Hong Kong is ~7.3 million people (5.2 million fewer people live in New Mexico).
Tip: This to-scale comparison of Hong Kong vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.