| North Potomac to Rothenbach an der Pegnitz | 4,178.68 mi (6,724.93 km) |
| North Potomac to Rothenburg ob der Tauber | 4,139.08 mi (6,661.20 km) |
| North Potomac to Rottweil | 4,112.49 mi (6,618.42 km) |
| North Potomac to Rudersberg | 4,127.75 mi (6,642.97 km) |
| North Potomac to Rudesheim am Rhein | 4,030.34 mi (6,486.21 km) |
| North Potomac to Rudolstadt | 4,143.68 mi (6,668.60 km) |
| North Potomac to Runkel | 4,027.21 mi (6,481.17 km) |
| North Potomac to Ruppichteroth | 3,988.07 mi (6,418.17 km) |
| North Potomac to Russelsheim | 4,049.41 mi (6,516.89 km) |
| North Potomac to Rutesheim | 4,106.24 mi (6,608.36 km) |
| North Potomac to Ruthen | 4,009.20 mi (6,452.19 km) |
| North Potomac to Saalfeld | 4,147.27 mi (6,674.38 km) |
| North Potomac to Saarbrucken | 4,014.05 mi (6,459.99 km) |
| North Potomac to Saarlouis | 4,001.41 mi (6,439.64 km) |
| North Potomac to Saarwellingen | 4,002.59 mi (6,441.55 km) |
