| Difficult Run to Eutin | 4,029.75 mi (6,485.26 km) |
| Difficult Run to Everswinkel | 3,985.74 mi (6,414.43 km) |
| Difficult Run to Falkensee | 4,168.51 mi (6,708.57 km) |
| Difficult Run to Fehmarnsund | 4,041.42 mi (6,504.04 km) |
| Difficult Run to Fehrbellin | 4,148.46 mi (6,676.29 km) |
| Difficult Run to Feldkirchen-Westerham | 4,266.78 mi (6,866.71 km) |
| Difficult Run to Fellbach | 4,132.98 mi (6,651.38 km) |
| Difficult Run to Felsberg | 4,069.65 mi (6,549.46 km) |
| Difficult Run to Feucht | 4,194.02 mi (6,749.62 km) |
| Difficult Run to Feuchtwangen | 4,164.38 mi (6,701.93 km) |
| Difficult Run to Filderstadt | 4,134.51 mi (6,653.86 km) |
| Difficult Run to Finnentrop | 4,011.51 mi (6,455.90 km) |
| Difficult Run to Finsterwalde | 4,220.95 mi (6,792.97 km) |
| Difficult Run to Flensburg | 3,968.55 mi (6,386.76 km) |
| Difficult Run to Flieden | 4,096.35 mi (6,592.45 km) |
