Country size comparison
compared to
Iowa is about 1,855 times bigger than Guernsey.
Guernsey is approximately 78 sq km, while Iowa is approximately 144,701 sq km, making Iowa 185,414% larger than Guernsey. Meanwhile, the population of Guernsey is ~67,491 people (3.0 million more people live in Iowa).
Compare further: Iowa vs. Guernsey