Netherlands is about 49 times bigger than San Diego.

San Diego is approximately 844 sq km, while Netherlands is approximately 41,543 sq km, making Netherlands 4,822% larger than San Diego.
Tip: This to-scale comparison of San Diego vs. Netherlands 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.