| Castle Rock to Rheinbach | 4,977.47 mi (8,010.46 km) |
| Castle Rock to Rheinberg | 4,924.76 mi (7,925.63 km) |
| Castle Rock to Rheine | 4,918.43 mi (7,915.44 km) |
| Castle Rock to Rheinfelden (Baden) | 5,146.96 mi (8,283.24 km) |
| Castle Rock to Ribnitz-Damgarten | 4,980.64 mi (8,015.57 km) |
| Castle Rock to Richterich | 4,940.14 mi (7,950.39 km) |
| Castle Rock to Riedlingen | 5,176.40 mi (8,330.61 km) |
| Castle Rock to Riegelsberg | 5,037.97 mi (8,107.83 km) |
| Castle Rock to Rielasingen-Worblingen | 5,174.81 mi (8,328.05 km) |
| Castle Rock to Riesa | 5,147.56 mi (8,284.19 km) |
| Castle Rock to Rietberg | 4,972.39 mi (8,002.29 km) |
| Castle Rock to Rinteln | 4,974.92 mi (8,006.36 km) |
| Castle Rock to Ritterhude | 4,918.98 mi (7,916.33 km) |
| Castle Rock to Rodenbach | 5,068.17 mi (8,156.43 km) |
| Castle Rock to Rodental | 5,127.52 mi (8,251.94 km) |
