| Castrop-Rauxel to Cabestany | 646.10 mi (1,039.80 km) |
| Castrop-Rauxel to Cabries | 567.47 mi (913.25 km) |
| Castrop-Rauxel to Cachan | 291.40 mi (468.96 km) |
| Castrop-Rauxel to Caen | 376.03 mi (605.16 km) |
| Castrop-Rauxel to Cagnes-sur-Mer | 544.90 mi (876.93 km) |
| Castrop-Rauxel to Cahors | 560.49 mi (902.02 km) |
| Castrop-Rauxel to Calais | 239.72 mi (385.79 km) |
| Castrop-Rauxel to Caluire-et-Cuire | 413.20 mi (664.99 km) |
| Castrop-Rauxel to Cambrai | 201.65 mi (324.52 km) |
| Castrop-Rauxel to Canet-en-Roussillon | 643.50 mi (1,035.61 km) |
| Castrop-Rauxel to Cannes | 552.84 mi (889.71 km) |
| Castrop-Rauxel to Canteleu | 311.65 mi (501.56 km) |
| Castrop-Rauxel to Capbreton | 680.68 mi (1,095.45 km) |
| Castrop-Rauxel to Carcassonne | 620.96 mi (999.34 km) |
| Castrop-Rauxel to Carmaux | 570.53 mi (918.18 km) |
