Tennessee is about 1,962 times bigger than Saint Martin.

Saint Martin is approximately 54 sq km, while Tennessee is approximately 106,752 sq km, making Tennessee 196,135% larger than Saint Martin. Meanwhile, the population of Saint Martin is ~32,792 people (6.3 million more people live in Tennessee).
Tip: This to-scale comparison of Saint Martin vs. Tennessee uses the Mercator projection, which distorts the size of regions near the poles.