California is about 4,899 times bigger than The Hague (Den Haag).

The Hague (Den Haag) (excluding the city's 15.68 sq km of water area) is approximately 82 sq km, while California is approximately 403,882 sq km, making California 489,751% larger than The Hague (Den Haag).
Tip: This to-scale comparison of The Hague (Den Haag) vs. California uses the Mercator projection, which distorts the size of regions near the poles.