Czech Republic is about 1,011 times bigger than Guernsey.

Guernsey is approximately 78 sq km, while Czech Republic is approximately 78,867 sq km, making Czech Republic 101,012% larger than Guernsey. Meanwhile, the population of Guernsey is ~67,491 people (10.6 million more people live in Czech Republic).
This to-scale comparison of Guernsey vs. Czech Republic uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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