| Difficult Run to Leiderdorp | 3,849.10 mi (6,194.52 km) |
| Difficult Run to Leidschendam | 3,845.90 mi (6,189.38 km) |
| Difficult Run to Lelystad | 3,878.06 mi (6,241.13 km) |
| Difficult Run to Lemmer | 3,878.15 mi (6,241.28 km) |
| Difficult Run to Leusden | 3,885.45 mi (6,253.03 km) |
| Difficult Run to Lieshout | 3,907.70 mi (6,288.84 km) |
| Difficult Run to Liesveld | 3,867.78 mi (6,224.58 km) |
| Difficult Run to Lisse | 3,847.68 mi (6,192.24 km) |
| Difficult Run to Lochem | 3,923.30 mi (6,313.94 km) |
| Difficult Run to Loenen | 3,866.71 mi (6,222.86 km) |
| Difficult Run to Loon op Zand | 3,881.58 mi (6,246.80 km) |
| Difficult Run to Lopik | 3,870.62 mi (6,229.15 km) |
| Difficult Run to Losser | 3,943.38 mi (6,346.26 km) |
| Difficult Run to Maarssen | 3,869.95 mi (6,228.09 km) |
| Difficult Run to Maassluis | 3,843.03 mi (6,184.76 km) |
