| Difficult Run to Lichtenau | 4,035.32 mi (6,494.22 km) |
| Difficult Run to Lichtenfels | 4,163.40 mi (6,700.34 km) |
| Difficult Run to Lichtenstein | 4,206.89 mi (6,770.33 km) |
| Difficult Run to Lienen | 3,984.59 mi (6,412.58 km) |
| Difficult Run to Limbach-Oberfrohna | 4,208.02 mi (6,772.16 km) |
| Difficult Run to Limburg | 4,037.62 mi (6,497.92 km) |
| Difficult Run to Limburgerhof | 4,078.61 mi (6,563.90 km) |
| Difficult Run to Lindau | 4,188.65 mi (6,740.99 km) |
| Difficult Run to Lindenberg im Allgau | 4,195.96 mi (6,752.75 km) |
| Difficult Run to Lindlar | 3,992.48 mi (6,425.27 km) |
| Difficult Run to Lingen | 3,949.11 mi (6,355.48 km) |
| Difficult Run to Linkenheim-Hochstetten | 4,088.08 mi (6,579.13 km) |
| Difficult Run to Linnich | 3,948.97 mi (6,355.25 km) |
| Difficult Run to Lippstadt | 4,012.56 mi (6,457.59 km) |
| Difficult Run to Lobau | 4,274.63 mi (6,879.36 km) |
