| Cities | Distance |
|---|---|
| Portici to Nazarje | 381.28 mi (613.61 km) |
| Portici to Nova Gorica | 356.59 mi (573.88 km) |
| Portici to Nova Vas | 342.31 mi (550.90 km) |
| Portici to Novo Mesto | 346.59 mi (557.79 km) |
| Portici to Odranci | 409.90 mi (659.66 km) |
| Portici to Oplotnica | 388.53 mi (625.28 km) |
| Portici to Ormoz | 396.56 mi (638.20 km) |
| Portici to Osilnica | 325.87 mi (524.44 km) |
| Portici to Pesnica | 405.53 mi (652.63 km) |
| Portici to Piran | 327.65 mi (527.30 km) |
| Portici to Pivka | 336.12 mi (540.93 km) |
| Portici to Podcetrtek | 374.12 mi (602.08 km) |
| Portici to Podlehnik | 388.82 mi (625.74 km) |
| Portici to Podvelka | 401.47 mi (646.11 km) |
| Portici to Poljcane | 384.60 mi (618.95 km) |