| Allentown to Rheinbach | 3,833.94 mi (6,170.14 km) |
| Allentown to Rheinberg | 3,794.76 mi (6,107.08 km) |
| Allentown to Rheine | 3,807.29 mi (6,127.24 km) |
| Allentown to Rheinfelden (Baden) | 3,958.75 mi (6,371.00 km) |
| Allentown to Ribnitz-Damgarten | 3,941.15 mi (6,342.67 km) |
| Allentown to Richterich | 3,793.53 mi (6,105.09 km) |
| Allentown to Riedlingen | 4,010.01 mi (6,453.49 km) |
| Allentown to Riegelsberg | 3,871.70 mi (6,230.90 km) |
| Allentown to Rielasingen-Worblingen | 3,997.03 mi (6,432.59 km) |
| Allentown to Riesa | 4,062.37 mi (6,537.76 km) |
| Allentown to Rietberg | 3,859.63 mi (6,211.48 km) |
| Allentown to Rinteln | 3,873.68 mi (6,234.08 km) |
| Allentown to Ritterhude | 3,833.39 mi (6,169.25 km) |
| Allentown to Rodenbach | 3,931.25 mi (6,326.74 km) |
| Allentown to Rodental | 4,007.93 mi (6,450.15 km) |
