Oakland is about 1.9 times smaller than Saint Vincent and the Grenadines.

Saint Vincent and the Grenadines is approximately 389 sq km, while Oakland is approximately 202 sq km, making Oakland 51.93% the size of Saint Vincent and the Grenadines.
Tip: This to-scale comparison of Saint Vincent and the Grenadines vs. Oakland uses the Mercator projection, which distorts the size of regions near the poles.