Uruguay is about 88,108 times bigger than Monaco.

Monaco is approximately 2 sq km, while Uruguay is approximately 176,215 sq km, making Uruguay 8,810,650% larger than Monaco. Meanwhile, the population of Monaco is ~31,400 people (3.4 million more people live in Uruguay).
Tip: This to-scale comparison of Monaco vs. Uruguay uses the Mercator projection, which distorts the size of regions near the poles.