| Portici to Polzela | 379.11 mi (610.12 km) |
| Portici to Postojna | 342.50 mi (551.20 km) |
| Portici to Prebold | 376.17 mi (605.39 km) |
| Portici to Preddvor | 379.03 mi (609.99 km) |
| Portici to Prevalje | 396.52 mi (638.14 km) |
| Portici to Ptuj | 394.36 mi (634.66 km) |
| Portici to Puconci | 416.50 mi (670.30 km) |
| Portici to Race | 394.93 mi (635.57 km) |
| Portici to Radece | 364.86 mi (587.18 km) |
| Portici to Radenci | 411.74 mi (662.63 km) |
| Portici to Radlje ob Dravi | 402.86 mi (648.33 km) |
| Portici to Radovljica | 381.68 mi (614.26 km) |
| Portici to Ravne na Koroskem | 396.71 mi (638.44 km) |
| Portici to Razkrizje | 405.54 mi (652.65 km) |
| Portici to Recica | 381.47 mi (613.91 km) |
