| Cities | Distance |
|---|---|
| Portici to Nordwalde | 843.02 mi (1,356.70 km) |
| Portici to Northeim | 779.90 mi (1,255.13 km) |
| Portici to Norvenich | 781.76 mi (1,258.13 km) |
| Portici to Nossen | 708.59 mi (1,140.37 km) |
| Portici to Nottuln | 835.71 mi (1,344.95 km) |
| Portici to Numbrecht | 769.02 mi (1,237.61 km) |
| Portici to Nuremberg | 617.25 mi (993.37 km) |
| Portici to Nurtingen | 592.87 mi (954.14 km) |
| Portici to Nussloch | 648.51 mi (1,043.68 km) |
| Portici to Ober-Ramstadt | 678.95 mi (1,092.66 km) |
| Portici to Oberasbach | 616.64 mi (992.39 km) |
| Portici to Oberderdingen | 630.25 mi (1,014.28 km) |
| Portici to Oberhaching | 515.46 mi (829.55 km) |
| Portici to Oberhausen | 818.76 mi (1,317.67 km) |
| Portici to Oberhausen-Rheinhausen | 649.04 mi (1,044.52 km) |