| Portici to Pontedera | 273.00 mi (439.35 km) |
| Portici to Pontinia | 78.81 mi (126.83 km) |
| Portici to Porcari | 282.41 mi (454.49 km) |
| Portici to Porcia | 365.98 mi (589.00 km) |
| Portici to Pordenone | 364.47 mi (586.56 km) |
| Portici to Porto Empedocle | 247.45 mi (398.24 km) |
| Portici to Porto Recanati | 183.80 mi (295.80 km) |
| Portici to Porto Sant'Elpidio | 171.77 mi (276.44 km) |
| Portici to Porto Tolle | 303.19 mi (487.94 km) |
| Portici to Porto Torres | 310.48 mi (499.66 km) |
| Portici to Portoferraio | 248.92 mi (400.59 km) |
| Portici to Portogruaro | 351.21 mi (565.22 km) |
| Portici to Portomaggiore | 297.44 mi (478.69 km) |
| Portici to Potenza | 77.47 mi (124.67 km) |
| Portici to Potenza Picena | 179.86 mi (289.45 km) |
