Christmas Island is about 1.7 times bigger than Guernsey.

Guernsey is approximately 78 sq km, while Christmas Island is approximately 135 sq km, making Christmas Island 73% larger than Guernsey. Meanwhile, the population of Guernsey is ~67,491 people (65,286 fewer people live in Christmas Island).
This to-scale comparison of Guernsey vs. Christmas Island uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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