Saint Lucia is about 213 times smaller than Alabama.

Alabama is approximately 131,426 sq km, while Saint Lucia is approximately 616 sq km, making Saint Lucia 0.47% the size of Alabama. Meanwhile, the population of Alabama is ~4.8 million people (4.6 million fewer people live in Saint Lucia).
Tip: This to-scale comparison of Alabama vs. Saint Lucia uses the Mercator projection, which distorts the size of regions near the poles.