Pennsylvania is about 188 times bigger than Saint Lucia.

Saint Lucia is approximately 616 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 18,743% larger than Saint Lucia. Meanwhile, the population of Saint Lucia is ~167,122 people (12.5 million more people live in Pennsylvania).
Tip: This to-scale comparison of Saint Lucia vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles.