| Portici to Cavaillon | 518.54 mi (834.51 km) |
| Portici to Cebazat | 661.75 mi (1,064.99 km) |
| Portici to Cenon | 802.07 mi (1,290.80 km) |
| Portici to Cergy | 824.54 mi (1,326.96 km) |
| Portici to Cernay | 598.21 mi (962.73 km) |
| Portici to Cesson | 785.10 mi (1,263.50 km) |
| Portici to Cesson-Sevigne | 931.30 mi (1,498.78 km) |
| Portici to Cestas | 807.21 mi (1,299.08 km) |
| Portici to Chalette-sur-Loing | 756.80 mi (1,217.95 km) |
| Portici to Challans | 906.93 mi (1,459.56 km) |
| Portici to Chalon-sur-Saone | 626.51 mi (1,008.27 km) |
| Portici to Chalons-en-Champagne | 743.46 mi (1,196.48 km) |
| Portici to Chamalieres | 661.33 mi (1,064.31 km) |
| Portici to Chambery | 536.17 mi (862.88 km) |
| Portici to Chambly | 823.80 mi (1,325.77 km) |
