| Risca to Cabestany | 678.31 mi (1,091.63 km) |
| Risca to Cabries | 687.92 mi (1,107.11 km) |
| Risca to Cachan | 308.70 mi (496.80 km) |
| Risca to Caen | 206.14 mi (331.75 km) |
| Risca to Cagnes-sur-Mer | 725.61 mi (1,167.76 km) |
| Risca to Cahors | 536.97 mi (864.17 km) |
| Risca to Calais | 218.59 mi (351.79 km) |
| Risca to Caluire-et-Cuire | 540.06 mi (869.14 km) |
| Risca to Cambrai | 292.81 mi (471.23 km) |
| Risca to Canet-en-Roussillon | 677.97 mi (1,091.09 km) |
| Risca to Cannes | 727.77 mi (1,171.23 km) |
| Risca to Canteleu | 234.60 mi (377.55 km) |
| Risca to Capbreton | 555.76 mi (894.41 km) |
| Risca to Carcassonne | 633.13 mi (1,018.93 km) |
| Risca to Carmaux | 575.86 mi (926.76 km) |
