Falkland Islands (Islas Malvinas) is about 105 times bigger than Jersey.

Jersey is approximately 116 sq km, while Falkland Islands (Islas Malvinas) is approximately 12,173 sq km, making Falkland Islands (Islas Malvinas) 10,394% larger than Jersey. Meanwhile, the population of Jersey is ~102,146 people (98,948 fewer people live in Falkland Islands (Islas Malvinas)).
Tip: This to-scale comparison of Jersey vs. Falkland Islands (Islas Malvinas) uses the Mercator projection, which distorts the size of regions near the poles.