| Olen to Cebazat | 376.09 mi (605.25 km) |
| Olen to Cenon | 500.59 mi (805.61 km) |
| Olen to Cergy | 191.26 mi (307.81 km) |
| Olen to Cernay | 253.47 mi (407.92 km) |
| Olen to Cesson | 204.71 mi (329.45 km) |
| Olen to Cesson-Sevigne | 356.44 mi (573.64 km) |
| Olen to Cestas | 510.96 mi (822.32 km) |
| Olen to Chalette-sur-Loing | 236.59 mi (380.76 km) |
| Olen to Challans | 425.61 mi (684.96 km) |
| Olen to Chalon-sur-Saone | 301.90 mi (485.86 km) |
| Olen to Chalons-en-Champagne | 153.01 mi (246.24 km) |
| Olen to Chamalieres | 380.32 mi (612.06 km) |
| Olen to Chambery | 388.60 mi (625.39 km) |
| Olen to Chambly | 178.98 mi (288.05 km) |
| Olen to Chambray-les-Tours | 322.68 mi (519.31 km) |
