| Castalla to Rheinbach | 911.04 mi (1,466.18 km) |
| Castalla to Rheinberg | 961.37 mi (1,547.18 km) |
| Castalla to Rheine | 1,022.48 mi (1,645.53 km) |
| Castalla to Rheinfelden (Baden) | 751.35 mi (1,209.17 km) |
| Castalla to Ribnitz-Damgarten | 1,244.90 mi (2,003.48 km) |
| Castalla to Richterich | 905.30 mi (1,456.95 km) |
| Castalla to Riedlingen | 832.56 mi (1,339.87 km) |
| Castalla to Riegelsberg | 829.39 mi (1,334.77 km) |
| Castalla to Rielasingen-Worblingen | 791.42 mi (1,273.67 km) |
| Castalla to Riesa | 1,108.52 mi (1,783.99 km) |
| Castalla to Rietberg | 1,012.40 mi (1,629.30 km) |
| Castalla to Rinteln | 1,049.52 mi (1,689.04 km) |
| Castalla to Ritterhude | 1,103.09 mi (1,775.25 km) |
| Castalla to Rodenbach | 929.31 mi (1,495.58 km) |
| Castalla to Rodental | 991.05 mi (1,594.93 km) |
