| Difficult Run to Floha | 4,220.84 mi (6,792.78 km) |
| Difficult Run to Florsheim | 4,062.92 mi (6,538.64 km) |
| Difficult Run to Florstadt | 4,071.47 mi (6,552.40 km) |
| Difficult Run to Forchheim | 4,177.13 mi (6,722.44 km) |
| Difficult Run to Foritz | 4,164.99 mi (6,702.91 km) |
| Difficult Run to Forst (Lausitz) | 4,252.66 mi (6,844.00 km) |
| Difficult Run to Frankenberg | 4,217.80 mi (6,787.89 km) |
| Difficult Run to Frankenberg | 4,047.35 mi (6,513.58 km) |
| Difficult Run to Frankenthal | 4,073.65 mi (6,555.91 km) |
| Difficult Run to Frankfurt | 4,070.20 mi (6,550.36 km) |
| Difficult Run to Frankfurt (Oder) | 4,230.09 mi (6,807.68 km) |
| Difficult Run to Frechen | 3,972.63 mi (6,393.32 km) |
| Difficult Run to Freiberg | 4,229.57 mi (6,806.83 km) |
| Difficult Run to Freiberg am Neckar | 4,126.11 mi (6,640.33 km) |
| Difficult Run to Freiburg im Breisgau | 4,098.57 mi (6,596.02 km) |
