| Castricum to Rheinbach | 164.74 mi (265.12 km) |
| Castricum to Rheinberg | 107.50 mi (173.01 km) |
| Castricum to Rheine | 118.03 mi (189.95 km) |
| Castricum to Rheinfelden (Baden) | 371.44 mi (597.78 km) |
| Castricum to Ribnitz-Damgarten | 341.90 mi (550.23 km) |
| Castricum to Richterich | 134.35 mi (216.22 km) |
| Castricum to Riedlingen | 370.08 mi (595.59 km) |
| Castricum to Riegelsberg | 245.71 mi (395.42 km) |
| Castricum to Rielasingen-Worblingen | 380.43 mi (612.25 km) |
| Castricum to Riesa | 377.20 mi (607.04 km) |
| Castricum to Rietberg | 167.78 mi (270.01 km) |
| Castricum to Rinteln | 187.85 mi (302.32 km) |
| Castricum to Ritterhude | 176.18 mi (283.54 km) |
| Castricum to Rodenbach | 250.93 mi (403.83 km) |
| Castricum to Rodental | 316.98 mi (510.13 km) |
