| Difficult Run to Redon | 3,683.38 mi (5,927.83 km) |
| Difficult Run to Reims | 3,903.79 mi (6,282.54 km) |
| Difficult Run to Rennes | 3,689.99 mi (5,938.46 km) |
| Difficult Run to Revel | 3,977.41 mi (6,401.02 km) |
| Difficult Run to Reze | 3,717.06 mi (5,982.03 km) |
| Difficult Run to Riedisheim | 4,085.72 mi (6,575.34 km) |
| Difficult Run to Rillieux-la-Pape | 4,037.07 mi (6,497.04 km) |
| Difficult Run to Riom | 3,956.90 mi (6,368.01 km) |
| Difficult Run to Riorges | 3,993.24 mi (6,426.50 km) |
| Difficult Run to Ris-Orangis | 3,851.92 mi (6,199.06 km) |
| Difficult Run to Rive-de-Gier | 4,033.36 mi (6,491.06 km) |
| Difficult Run to Rivesaltes | 4,037.48 mi (6,497.70 km) |
| Difficult Run to Rixheim | 4,087.29 mi (6,577.85 km) |
| Difficult Run to Roanne | 3,994.65 mi (6,428.77 km) |
| Difficult Run to Roche-la-Moliere | 4,023.30 mi (6,474.87 km) |
