| Harpenden to Lastra a Signa | 767.69 mi (1,235.47 km) |
| Harpenden to Laterza | 1,121.44 mi (1,804.78 km) |
| Harpenden to Latiano | 1,158.32 mi (1,864.13 km) |
| Harpenden to Latina | 949.31 mi (1,527.77 km) |
| Harpenden to Latisana | 739.52 mi (1,190.14 km) |
| Harpenden to Lauria Inferiore | 1,120.25 mi (1,802.87 km) |
| Harpenden to Lavagna | 683.35 mi (1,099.75 km) |
| Harpenden to Lavello | 1,065.59 mi (1,714.91 km) |
| Harpenden to Laveno-Mombello | 576.27 mi (927.41 km) |
| Harpenden to Lavis | 650.52 mi (1,046.91 km) |
| Harpenden to Lecce | 1,183.52 mi (1,904.69 km) |
| Harpenden to Lecco | 604.64 mi (973.07 km) |
| Harpenden to Legnago | 701.80 mi (1,129.43 km) |
| Harpenden to Legnano | 602.91 mi (970.30 km) |
| Harpenden to Legnaro | 717.22 mi (1,154.26 km) |
