Santa Barbara is about 12 times smaller than Madrid.

Madrid is approximately 604 sq km, while Santa Barbara is approximately 50 sq km, making Santa Barbara 8.35% the size of Madrid.
Tip: This to-scale comparison of Madrid vs. Santa Barbara 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.