| Allentown to Rothenbach an der Pegnitz | 4,040.11 mi (6,501.92 km) |
| Allentown to Rothenburg ob der Tauber | 4,000.65 mi (6,438.42 km) |
| Allentown to Rottweil | 3,974.69 mi (6,396.65 km) |
| Allentown to Rudersberg | 3,989.56 mi (6,420.58 km) |
| Allentown to Rudesheim am Rhein | 3,891.94 mi (6,263.48 km) |
| Allentown to Rudolstadt | 4,004.76 mi (6,445.03 km) |
| Allentown to Runkel | 3,888.65 mi (6,258.18 km) |
| Allentown to Ruppichteroth | 3,849.43 mi (6,195.06 km) |
| Allentown to Russelsheim | 3,910.96 mi (6,294.08 km) |
| Allentown to Rutesheim | 3,968.15 mi (6,386.12 km) |
| Allentown to Ruthen | 3,870.30 mi (6,228.65 km) |
| Allentown to Saalfeld | 4,008.36 mi (6,450.84 km) |
| Allentown to Saarbrucken | 3,876.03 mi (6,237.86 km) |
| Allentown to Saarlouis | 3,863.38 mi (6,217.51 km) |
| Allentown to Saarwellingen | 3,864.55 mi (6,219.39 km) |
