Guernsey is about 246 times smaller than New Jersey.

New Jersey is approximately 19,211 sq km, while Guernsey is approximately 78 sq km, making Guernsey 0.41% the size of New Jersey. Meanwhile, the population of New Jersey is ~8.8 million people (8.7 million fewer people live in Guernsey).
This to-scale comparison of New Jersey vs. Guernsey uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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