| Castaic to Cabestany | 5,954.95 mi (9,583.56 km) |
| Castaic to Cabries | 6,002.52 mi (9,660.13 km) |
| Castaic to Cachan | 5,636.23 mi (9,070.64 km) |
| Castaic to Caen | 5,528.86 mi (8,897.84 km) |
| Castaic to Cagnes-sur-Mer | 6,051.13 mi (9,738.36 km) |
| Castaic to Cahors | 5,815.61 mi (9,359.32 km) |
| Castaic to Calais | 5,517.34 mi (8,879.30 km) |
| Castaic to Caluire-et-Cuire | 5,866.37 mi (9,441.00 km) |
| Castaic to Cambrai | 5,597.88 mi (9,008.92 km) |
| Castaic to Canet-en-Roussillon | 5,956.02 mi (9,585.29 km) |
| Castaic to Cannes | 6,052.37 mi (9,740.35 km) |
| Castaic to Canteleu | 5,562.43 mi (8,951.87 km) |
| Castaic to Capbreton | 5,749.93 mi (9,253.63 km) |
| Castaic to Carcassonne | 5,907.88 mi (9,507.81 km) |
| Castaic to Carmaux | 5,860.23 mi (9,431.13 km) |
