Guernsey is about 39 times bigger than Monaco.

Monaco is approximately 2 sq km, while Guernsey is approximately 78 sq km, making Guernsey 3,800% larger than Monaco. Meanwhile, the population of Monaco is ~31,400 people (36,091 more people live in Guernsey).
This to-scale comparison of Monaco vs. Guernsey uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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