| California to Busto Arsizio | 4,202.90 mi (6,763.91 km) |
| California to Busto Garolfo | 4,206.38 mi (6,769.52 km) |
| California to Cabras | 4,370.76 mi (7,034.07 km) |
| California to Cadelbosco di Sopra | 4,305.27 mi (6,928.67 km) |
| California to Cadoneghe | 4,340.61 mi (6,985.53 km) |
| California to Cagli | 4,434.70 mi (7,136.96 km) |
| California to Cagliari | 4,421.40 mi (7,115.55 km) |
| California to Cairo Montenotte | 4,214.73 mi (6,782.95 km) |
| California to Caivano | 4,598.14 mi (7,400.00 km) |
| California to Calcinaia | 4,341.13 mi (6,986.37 km) |
| California to Calcinato | 4,275.19 mi (6,880.25 km) |
| California to Calderara di Reno | 4,340.69 mi (6,985.67 km) |
| California to Caldogno | 4,316.98 mi (6,947.51 km) |
| California to Calenzano | 4,359.26 mi (7,015.56 km) |
| California to Calolziocorte | 4,222.22 mi (6,795.00 km) |
