California megapolitan areas

California's major urban areas normally are thought of as two large megalopolises: one in Northern California (with 12.6 million inhabitants) and one in Southern California (with 23.8 million inhabitants), separated from each other by approximately 382 miles or 615 km (the distance from Los Angeles to San Francisco), with relatively sparsely inhabited Central Coast, Central Valley, and Transverse Ranges in between. Other ideas conceive of a single megalopolis encompassing both North and South, or a division of Coastal California vs.

Source: Wikipedia — California megapolitan areas (CC BY-SA 4.0)