| Difficult Run to Rochefort | 3,775.55 mi (6,076.16 km) |
| Difficult Run to Rodez | 3,977.23 mi (6,400.73 km) |
| Difficult Run to Rognac | 4,122.24 mi (6,634.10 km) |
| Difficult Run to Roissy-en-Brie | 3,858.31 mi (6,209.35 km) |
| Difficult Run to Romainville | 3,846.75 mi (6,190.74 km) |
| Difficult Run to Romans-sur-Isere | 4,066.77 mi (6,544.84 km) |
| Difficult Run to Rombas | 3,989.48 mi (6,420.45 km) |
| Difficult Run to Romilly-sur-Seine | 3,910.90 mi (6,293.98 km) |
| Difficult Run to Ronchin | 3,830.04 mi (6,163.86 km) |
| Difficult Run to Roncq | 3,827.65 mi (6,160.00 km) |
| Difficult Run to Roquebrune-sur-Argens | 4,186.46 mi (6,737.45 km) |
| Difficult Run to Roquevaire | 4,143.23 mi (6,667.89 km) |
| Difficult Run to Rosny-sous-Bois | 3,849.23 mi (6,194.73 km) |
| Difficult Run to Roubaix | 3,831.74 mi (6,166.59 km) |
| Difficult Run to Rouen | 3,776.02 mi (6,076.92 km) |
