| California to Castrovillari | 4,724.40 mi (7,603.19 km) |
| California to Catania | 4,760.31 mi (7,660.98 km) |
| California to Catanzaro | 4,776.64 mi (7,687.26 km) |
| California to Cattolica | 4,424.25 mi (7,120.14 km) |
| California to Cava de' Tirreni | 4,624.99 mi (7,443.20 km) |
| California to Cavallino | 4,794.41 mi (7,715.86 km) |
| California to Cavarzere | 4,357.20 mi (7,012.23 km) |
| California to Cave | 4,506.65 mi (7,252.76 km) |
| California to Cavriago | 4,304.52 mi (6,927.46 km) |
| California to Cavriglia | 4,384.72 mi (7,056.53 km) |
| California to Cazzago San Martino | 4,254.54 mi (6,847.02 km) |
| California to Ceccano | 4,533.19 mi (7,295.46 km) |
| California to Cecina | 4,348.72 mi (6,998.58 km) |
| California to Cefalu | 4,691.06 mi (7,549.53 km) |
| California to Ceglie Messapico | 4,751.02 mi (7,646.03 km) |
