| Difficult Run to Eybens | 4,094.37 mi (6,589.25 km) |
| Difficult Run to Eysines | 3,817.21 mi (6,143.21 km) |
| Difficult Run to Ezanville | 3,839.92 mi (6,179.75 km) |
| Difficult Run to Faches-Thumesnil | 3,829.61 mi (6,163.16 km) |
| Difficult Run to Fameck | 3,988.71 mi (6,419.20 km) |
| Difficult Run to Fecamp | 3,738.66 mi (6,016.78 km) |
| Difficult Run to Ferney-Voltaire | 4,076.64 mi (6,560.71 km) |
| Difficult Run to Feyzin | 4,039.72 mi (6,501.30 km) |
| Difficult Run to Figeac | 3,945.46 mi (6,349.60 km) |
| Difficult Run to Firminy | 4,023.04 mi (6,474.45 km) |
| Difficult Run to Flers | 3,722.63 mi (5,991.00 km) |
| Difficult Run to Fleury-les-Aubrais | 3,849.70 mi (6,195.49 km) |
| Difficult Run to Fleury-Merogis | 3,850.24 mi (6,196.35 km) |
| Difficult Run to Floirac | 3,824.13 mi (6,154.34 km) |
| Difficult Run to Florange | 3,988.44 mi (6,418.77 km) |
