| Portici to Campodarsego | 345.65 mi (556.27 km) |
| Portici to Campogalliano | 320.29 mi (515.46 km) |
| Portici to Campolongo Maggiore | 332.57 mi (535.21 km) |
| Portici to Camponogara | 335.50 mi (539.94 km) |
| Portici to Camposampiero | 349.65 mi (562.70 km) |
| Portici to Canegrate | 426.14 mi (685.81 km) |
| Portici to Canelli | 408.15 mi (656.86 km) |
| Portici to Canicatti | 240.03 mi (386.29 km) |
| Portici to Canosa di Puglia | 94.04 mi (151.35 km) |
| Portici to Cantu | 428.62 mi (689.79 km) |
| Portici to Caorle | 338.33 mi (544.49 km) |
| Portici to Capaci | 192.58 mi (309.93 km) |
| Portici to Capannori | 284.54 mi (457.93 km) |
| Portici to Capena | 130.43 mi (209.91 km) |
| Portici to Capo d'Orlando | 185.64 mi (298.76 km) |
