Massachusetts is about 44 times bigger than Palau.

Palau is approximately 459 sq km, while Massachusetts is approximately 20,306 sq km, making Massachusetts 4,324% larger than Palau. Meanwhile, the population of Palau is ~21,695 people (6.5 million more people live in Massachusetts).
Tip: This to-scale comparison of Palau vs. Massachusetts uses the Mercator projection, which distorts the size of regions near the poles.