| Difficult Run to Freilassing | 4,314.54 mi (6,943.58 km) |
| Difficult Run to Freising | 4,246.45 mi (6,834.00 km) |
| Difficult Run to Freital | 4,238.09 mi (6,820.55 km) |
| Difficult Run to Freudenberg | 4,014.99 mi (6,461.50 km) |
| Difficult Run to Freudenstadt | 4,107.85 mi (6,610.94 km) |
| Difficult Run to Freystadt | 4,203.69 mi (6,765.18 km) |
| Difficult Run to Frickenhausen | 4,143.03 mi (6,667.56 km) |
| Difficult Run to Friedberg | 4,216.95 mi (6,786.52 km) |
| Difficult Run to Friedberg | 4,066.44 mi (6,544.30 km) |
| Difficult Run to Friedeburg | 3,944.06 mi (6,347.35 km) |
| Difficult Run to Friedland | 4,081.64 mi (6,568.77 km) |
| Difficult Run to Friedrichsdorf | 4,064.28 mi (6,540.82 km) |
| Difficult Run to Friedrichshafen | 4,177.09 mi (6,722.38 km) |
| Difficult Run to Friedrichsthal | 4,028.50 mi (6,483.24 km) |
| Difficult Run to Friesenheim | 4,088.70 mi (6,580.13 km) |
