| Difficult Run to Roermond | 3,931.66 mi (6,327.40 km) |
| Difficult Run to Roosendaal | 3,861.72 mi (6,214.83 km) |
| Difficult Run to Rosmalen | 3,893.54 mi (6,266.05 km) |
| Difficult Run to Rotterdam | 3,854.04 mi (6,202.47 km) |
| Difficult Run to Rozenburg | 3,844.32 mi (6,186.84 km) |
| Difficult Run to Rucphen | 3,867.04 mi (6,223.41 km) |
| Difficult Run to s-Gravendeel | 3,862.04 mi (6,215.35 km) |
| Difficult Run to s-Gravenzande | 3,838.72 mi (6,177.83 km) |
| Difficult Run to s-Heerenberg | 3,924.15 mi (6,315.31 km) |
| Difficult Run to s-Hertogenbosch | 3,891.76 mi (6,263.18 km) |
| Difficult Run to Sassenheim | 3,847.20 mi (6,191.47 km) |
| Difficult Run to Schaesberg | 3,941.03 mi (6,342.47 km) |
| Difficult Run to Schagen | 3,844.26 mi (6,186.74 km) |
| Difficult Run to Scherpenzeel | 3,888.05 mi (6,257.21 km) |
| Difficult Run to Scheveningen | 3,840.26 mi (6,180.30 km) |
