| Portici to Cervignano del Friuli | 349.37 mi (562.26 km) |
| Portici to Cesa | 11.61 mi (18.69 km) |
| Portici to Cesano Maderno | 422.78 mi (680.41 km) |
| Portici to Cesena | 252.98 mi (407.13 km) |
| Portici to Cesenatico | 253.71 mi (408.31 km) |
| Portici to Cetraro | 124.62 mi (200.56 km) |
| Portici to Cherasco | 421.66 mi (678.60 km) |
| Portici to Chiampo | 361.25 mi (581.37 km) |
| Portici to Chiaravalle | 198.90 mi (320.10 km) |
| Portici to Chiari | 394.72 mi (635.24 km) |
| Portici to Chiavari | 351.03 mi (564.93 km) |
| Portici to Chieri | 438.80 mi (706.19 km) |
| Portici to Chieti | 106.12 mi (170.78 km) |
| Portici to Chioggia | 321.33 mi (517.12 km) |
| Portici to Chiusi | 195.31 mi (314.33 km) |
