| Portici to Niscemi | 253.56 mi (408.07 km) |
| Portici to Nizza Monferrato | 408.17 mi (656.89 km) |
| Portici to Noale | 346.23 mi (557.21 km) |
| Portici to Nocera Inferiore | 16.03 mi (25.79 km) |
| Portici to Nocera Superiore | 18.14 mi (29.20 km) |
| Portici to Noceto | 347.27 mi (558.88 km) |
| Portici to Noci | 146.02 mi (235.00 km) |
| Portici to Noicattaro | 138.71 mi (223.24 km) |
| Portici to Nola | 12.74 mi (20.51 km) |
| Portici to Nonantola | 314.67 mi (506.41 km) |
| Portici to Noto | 274.89 mi (442.40 km) |
| Portici to Nova Milanese | 418.59 mi (673.65 km) |
| Portici to Novara | 430.65 mi (693.06 km) |
| Portici to Novate Milanese | 418.04 mi (672.77 km) |
| Portici to Novellara | 333.02 mi (535.95 km) |
