| Olton to Cabestany | 709.18 mi (1,141.32 km) |
| Olton to Cabries | 704.18 mi (1,133.26 km) |
| Olton to Cachan | 310.31 mi (499.40 km) |
| Olton to Caen | 233.64 mi (376.01 km) |
| Olton to Cagnes-sur-Mer | 732.62 mi (1,179.04 km) |
| Olton to Cahors | 571.62 mi (919.93 km) |
| Olton to Calais | 187.57 mi (301.86 km) |
| Olton to Caluire-et-Cuire | 548.26 mi (882.34 km) |
| Olton to Cambrai | 267.90 mi (431.14 km) |
| Olton to Canet-en-Roussillon | 708.46 mi (1,140.16 km) |
| Olton to Cannes | 735.86 mi (1,184.26 km) |
| Olton to Canteleu | 240.56 mi (387.14 km) |
| Olton to Capbreton | 607.97 mi (978.44 km) |
| Olton to Carcassonne | 665.79 mi (1,071.49 km) |
| Olton to Carmaux | 607.37 mi (977.47 km) |
