| Portici to Pandino | 398.03 mi (640.57 km) |
| Portici to Paola | 134.45 mi (216.38 km) |
| Portici to Parabiago | 425.25 mi (684.37 km) |
| Portici to Parabita | 206.38 mi (332.14 km) |
| Portici to Parma | 342.05 mi (550.48 km) |
| Portici to Partanna | 227.22 mi (365.68 km) |
| Portici to Partinico | 202.21 mi (325.42 km) |
| Portici to Pasian di Prato | 365.87 mi (588.82 km) |
| Portici to Paterno | 226.74 mi (364.91 km) |
| Portici to Patti | 188.19 mi (302.86 km) |
| Portici to Paullo | 403.54 mi (649.44 km) |
| Portici to Pavia | 399.39 mi (642.76 km) |
| Portici to Pavullo nel Frignano | 301.22 mi (484.76 km) |
| Portici to Pedara | 224.69 mi (361.60 km) |
| Portici to Pellezzano | 23.05 mi (37.10 km) |
