| North Potomac to Roermond | 3,918.32 mi (6,305.93 km) |
| North Potomac to Roosendaal | 3,848.38 mi (6,193.37 km) |
| North Potomac to Rosmalen | 3,880.16 mi (6,244.51 km) |
| North Potomac to Rotterdam | 3,840.65 mi (6,180.94 km) |
| North Potomac to Rozenburg | 3,830.95 mi (6,165.32 km) |
| North Potomac to Rucphen | 3,853.71 mi (6,201.94 km) |
| North Potomac to s-Gravendeel | 3,848.67 mi (6,193.83 km) |
| North Potomac to s-Gravenzande | 3,825.34 mi (6,156.29 km) |
| North Potomac to s-Heerenberg | 3,910.72 mi (6,293.70 km) |
| North Potomac to s-Hertogenbosch | 3,878.38 mi (6,241.65 km) |
| North Potomac to Sassenheim | 3,833.78 mi (6,169.87 km) |
| North Potomac to Schaesberg | 3,927.72 mi (6,321.05 km) |
| North Potomac to Schagen | 3,830.77 mi (6,165.04 km) |
| North Potomac to Scherpenzeel | 3,874.62 mi (6,235.60 km) |
| North Potomac to Scheveningen | 3,826.86 mi (6,158.74 km) |
