| Alpena to Rothenbach an der Pegnitz | 4,142.10 mi (6,666.06 km) |
| Alpena to Rothenburg ob der Tauber | 4,107.14 mi (6,609.80 km) |
| Alpena to Rottweil | 4,097.07 mi (6,593.60 km) |
| Alpena to Rudersberg | 4,102.61 mi (6,602.52 km) |
| Alpena to Rudesheim am Rhein | 4,000.60 mi (6,438.34 km) |
| Alpena to Rudolstadt | 4,095.76 mi (6,591.49 km) |
| Alpena to Runkel | 3,992.78 mi (6,425.76 km) |
| Alpena to Ruppichteroth | 3,951.67 mi (6,359.60 km) |
| Alpena to Russelsheim | 4,017.94 mi (6,466.25 km) |
| Alpena to Rutesheim | 4,083.84 mi (6,572.31 km) |
| Alpena to Ruthen | 3,963.50 mi (6,378.64 km) |
| Alpena to Saalfeld | 4,099.82 mi (6,598.03 km) |
| Alpena to Saarbrucken | 3,994.45 mi (6,428.44 km) |
| Alpena to Saarlouis | 3,981.87 mi (6,408.20 km) |
| Alpena to Saarwellingen | 3,982.52 mi (6,409.24 km) |
