| Boulder to Roermond | 4,897.91 mi (7,882.43 km) |
| Boulder to Roosendaal | 4,832.62 mi (7,777.35 km) |
| Boulder to Rosmalen | 4,854.51 mi (7,812.58 km) |
| Boulder to Rotterdam | 4,817.30 mi (7,752.69 km) |
| Boulder to Rozenburg | 4,809.53 mi (7,740.20 km) |
| Boulder to Rucphen | 4,837.02 mi (7,784.43 km) |
| Boulder to s-Gravendeel | 4,827.03 mi (7,768.35 km) |
| Boulder to s-Gravenzande | 4,802.70 mi (7,729.20 km) |
| Boulder to s-Heerenberg | 4,875.82 mi (7,846.87 km) |
| Boulder to s-Hertogenbosch | 4,853.83 mi (7,811.49 km) |
| Boulder to Sassenheim | 4,804.37 mi (7,731.89 km) |
| Boulder to Schaesberg | 4,912.60 mi (7,906.07 km) |
| Boulder to Schagen | 4,788.73 mi (7,706.71 km) |
| Boulder to Scherpenzeel | 4,841.35 mi (7,791.40 km) |
| Boulder to Scheveningen | 4,801.42 mi (7,727.15 km) |
