| Olonne-sur-Mer to Cavaillon | 380.29 mi (612.02 km) |
| Olonne-sur-Mer to Cebazat | 238.09 mi (383.16 km) |
| Olonne-sur-Mer to Cenon | 130.51 mi (210.03 km) |
| Olonne-sur-Mer to Cergy | 248.03 mi (399.16 km) |
| Olonne-sur-Mer to Cernay | 429.12 mi (690.61 km) |
| Olonne-sur-Mer to Cesson | 247.47 mi (398.26 km) |
| Olonne-sur-Mer to Cesson-Sevigne | 109.78 mi (176.67 km) |
| Olonne-sur-Mer to Cestas | 134.54 mi (216.51 km) |
| Olonne-sur-Mer to Chalette-sur-Loing | 234.62 mi (377.58 km) |
| Olonne-sur-Mer to Challans | 22.03 mi (35.46 km) |
| Olonne-sur-Mer to Chalon-sur-Saone | 314.56 mi (506.23 km) |
| Olonne-sur-Mer to Chalons-en-Champagne | 330.46 mi (531.83 km) |
| Olonne-sur-Mer to Chamalieres | 237.51 mi (382.24 km) |
| Olonne-sur-Mer to Chambery | 374.32 mi (602.40 km) |
| Olonne-sur-Mer to Chambly | 260.30 mi (418.91 km) |
