| Difficult Run to Lastra a Signa | 4,372.26 mi (7,036.48 km) |
| Difficult Run to Laterza | 4,733.99 mi (7,618.62 km) |
| Difficult Run to Latiano | 4,777.84 mi (7,689.18 km) |
| Difficult Run to Latina | 4,531.69 mi (7,293.06 km) |
| Difficult Run to Latisana | 4,389.68 mi (7,064.51 km) |
| Difficult Run to Lauria Inferiore | 4,713.60 mi (7,585.81 km) |
| Difficult Run to Lavagna | 4,277.07 mi (6,883.29 km) |
| Difficult Run to Lavello | 4,674.48 mi (7,522.85 km) |
| Difficult Run to Laveno-Mombello | 4,195.16 mi (6,751.46 km) |
| Difficult Run to Lavis | 4,293.94 mi (6,910.42 km) |
| Difficult Run to Lecce | 4,804.53 mi (7,732.15 km) |
| Difficult Run to Lecco | 4,230.34 mi (6,808.07 km) |
| Difficult Run to Legnago | 4,333.34 mi (6,973.83 km) |
| Difficult Run to Legnano | 4,218.40 mi (6,788.86 km) |
| Difficult Run to Legnaro | 4,355.92 mi (7,010.17 km) |
