| Difficult Run to Kloten | 4,145.71 mi (6,671.87 km) |
| Difficult Run to Koniz | 4,111.54 mi (6,616.89 km) |
| Difficult Run to Kreuzlingen | 4,164.43 mi (6,702.01 km) |
| Difficult Run to Kriens | 4,145.87 mi (6,672.13 km) |
| Difficult Run to Kusnacht | 4,149.79 mi (6,678.45 km) |
| Difficult Run to Kussnacht | 4,151.17 mi (6,680.66 km) |
| Difficult Run to La Chaux-de-Fonds | 4,082.10 mi (6,569.51 km) |
| Difficult Run to La Tour-de-Peilz | 4,103.40 mi (6,603.78 km) |
| Difficult Run to Lachen | 4,165.10 mi (6,703.08 km) |
| Difficult Run to Landecy | 4,079.16 mi (6,564.78 km) |
| Difficult Run to Landquart | 4,201.19 mi (6,761.17 km) |
| Difficult Run to Langenthal | 4,119.19 mi (6,629.19 km) |
| Difficult Run to Langnau | 4,127.57 mi (6,642.68 km) |
| Difficult Run to Lausanne | 4,091.31 mi (6,584.33 km) |
| Difficult Run to Le Grand-Saconnex | 4,077.68 mi (6,562.39 km) |
