| Difficult Run to Les Sorinieres | 3,719.89 mi (5,986.58 km) |
| Difficult Run to Lescar | 3,870.62 mi (6,229.16 km) |
| Difficult Run to Lesquin | 3,831.37 mi (6,166.00 km) |
| Difficult Run to Levallois-Perret | 3,840.23 mi (6,180.26 km) |
| Difficult Run to Lezignan-Corbieres | 4,019.27 mi (6,468.39 km) |
| Difficult Run to Libourne | 3,834.76 mi (6,171.45 km) |
| Difficult Run to Lieusaint | 3,858.08 mi (6,208.98 km) |
| Difficult Run to Lievin | 3,821.93 mi (6,150.81 km) |
| Difficult Run to Lille | 3,828.26 mi (6,160.99 km) |
| Difficult Run to Lillebonne | 3,750.97 mi (6,036.61 km) |
| Difficult Run to Lillers | 3,806.27 mi (6,125.59 km) |
| Difficult Run to Limay | 3,814.47 mi (6,138.80 km) |
| Difficult Run to Limeil-Brevannes | 3,852.56 mi (6,200.09 km) |
| Difficult Run to Limoges | 3,877.01 mi (6,239.45 km) |
| Difficult Run to Limoux | 3,998.98 mi (6,435.74 km) |
