| Olton to Cavaillon | 672.10 mi (1,081.64 km) |
| Olton to Cebazat | 507.19 mi (816.24 km) |
| Olton to Cenon | 526.92 mi (847.99 km) |
| Olton to Cergy | 289.49 mi (465.90 km) |
| Olton to Cernay | 509.94 mi (820.67 km) |
| Olton to Cesson | 330.13 mi (531.30 km) |
| Olton to Cesson-Sevigne | 298.40 mi (480.23 km) |
| Olton to Cestas | 534.01 mi (859.41 km) |
| Olton to Chalette-sur-Loing | 365.65 mi (588.46 km) |
| Olton to Challans | 386.31 mi (621.71 km) |
| Olton to Chalon-sur-Saone | 491.15 mi (790.42 km) |
| Olton to Chalons-en-Champagne | 361.37 mi (581.57 km) |
| Olton to Chamalieres | 510.19 mi (821.08 km) |
| Olton to Chambery | 588.81 mi (947.59 km) |
| Olton to Chambly | 286.98 mi (461.86 km) |
