| Portici to Cabestany | 600.95 mi (967.14 km) |
| Portici to Cabries | 493.30 mi (793.88 km) |
| Portici to Cachan | 804.45 mi (1,294.64 km) |
| Portici to Caen | 919.32 mi (1,479.51 km) |
| Portici to Cagnes-sur-Mer | 416.89 mi (670.91 km) |
| Portici to Cahors | 701.07 mi (1,128.27 km) |
| Portici to Calais | 919.58 mi (1,479.91 km) |
| Portici to Caluire-et-Cuire | 587.59 mi (945.64 km) |
| Portici to Cambrai | 839.13 mi (1,350.44 km) |
| Portici to Canet-en-Roussillon | 597.98 mi (962.35 km) |
| Portici to Cannes | 419.77 mi (675.55 km) |
| Portici to Canteleu | 878.66 mi (1,414.07 km) |
| Portici to Capbreton | 828.78 mi (1,333.80 km) |
| Portici to Carcassonne | 636.69 mi (1,024.65 km) |
| Portici to Carmaux | 659.35 mi (1,061.11 km) |
