| Portici to Corato | 109.78 mi (176.68 km) |
| Portici to Corbetta | 421.54 mi (678.41 km) |
| Portici to Corciano | 191.62 mi (308.39 km) |
| Portici to Cordenons | 366.14 mi (589.24 km) |
| Portici to Cori | 93.57 mi (150.59 km) |
| Portici to Coriano | 234.87 mi (377.99 km) |
| Portici to Corigliano Calabro | 142.40 mi (229.17 km) |
| Portici to Corleone | 214.82 mi (345.71 km) |
| Portici to Cormano | 417.87 mi (672.49 km) |
| Portici to Cornaredo | 419.48 mi (675.10 km) |
| Portici to Cornate d'Adda | 414.05 mi (666.36 km) |
| Portici to Cornedo Vicentino | 363.98 mi (585.78 km) |
| Portici to Correggio | 327.13 mi (526.46 km) |
| Portici to Corridonia | 173.16 mi (278.68 km) |
| Portici to Corsico | 413.36 mi (665.23 km) |
