Country size comparison
compared to
Guernsey is about 1,321 times smaller than Iceland.
Iceland is approximately 103,000 sq km, while Guernsey is approximately 78 sq km, making Guernsey 0.08% the size of Iceland. Meanwhile, the population of Iceland is ~357,603 people (290,112 fewer people live in Guernsey).
Compare further: Guernsey vs. Iceland