Saint Barthelemy is about 12,380 times smaller than Oman.

Oman is approximately 309,500 sq km, while Saint Barthelemy is approximately 25 sq km, making Saint Barthelemy 0.01% the size of Oman. Meanwhile, the population of Oman is ~5.5 million people (5.5 million fewer people live in Saint Barthelemy).
Tip: This to-scale comparison of Oman vs. Saint Barthelemy uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.