| Harpenden to Niscemi | 1,241.76 mi (1,998.43 km) |
| Harpenden to Nizza Monferrato | 629.17 mi (1,012.55 km) |
| Harpenden to Noale | 711.62 mi (1,145.24 km) |
| Harpenden to Nocera Inferiore | 1,043.27 mi (1,678.99 km) |
| Harpenden to Nocera Superiore | 1,044.98 mi (1,681.73 km) |
| Harpenden to Noceto | 683.05 mi (1,099.26 km) |
| Harpenden to Noci | 1,124.24 mi (1,809.29 km) |
| Harpenden to Noicattaro | 1,106.99 mi (1,781.53 km) |
| Harpenden to Nola | 1,030.07 mi (1,657.75 km) |
| Harpenden to Nonantola | 718.37 mi (1,156.10 km) |
| Harpenden to Noto | 1,277.43 mi (2,055.82 km) |
| Harpenden to Nova Milanese | 611.66 mi (984.37 km) |
| Harpenden to Novara | 600.21 mi (965.94 km) |
| Harpenden to Novate Milanese | 612.10 mi (985.07 km) |
| Harpenden to Novellara | 699.32 mi (1,125.45 km) |
