| Alpena to Rheinbach | 3,939.82 mi (6,340.53 km) |
| Alpena to Rheinberg | 3,893.27 mi (6,265.61 km) |
| Alpena to Rheine | 3,896.40 mi (6,270.65 km) |
| Alpena to Rheinfelden (Baden) | 4,089.27 mi (6,581.05 km) |
| Alpena to Ribnitz-Damgarten | 3,996.99 mi (6,432.54 km) |
| Alpena to Richterich | 3,900.55 mi (6,277.32 km) |
| Alpena to Riedlingen | 4,129.57 mi (6,645.91 km) |
| Alpena to Riegelsberg | 3,989.78 mi (6,420.93 km) |
| Alpena to Rielasingen-Worblingen | 4,122.41 mi (6,634.38 km) |
| Alpena to Riesa | 4,141.69 mi (6,665.40 km) |
| Alpena to Rietberg | 3,950.18 mi (6,357.19 km) |
| Alpena to Rinteln | 3,958.64 mi (6,370.81 km) |
| Alpena to Ritterhude | 3,910.12 mi (6,292.73 km) |
| Alpena to Rodenbach | 4,034.82 mi (6,493.42 km) |
| Alpena to Rodental | 4,103.60 mi (6,604.11 km) |
