| Idrija to Rheinbach | 455.82 mi (733.57 km) |
| Idrija to Rheinberg | 510.47 mi (821.52 km) |
| Idrija to Rheine | 525.98 mi (846.48 km) |
| Idrija to Rheinfelden (Baden) | 313.97 mi (505.28 km) |
| Idrija to Ribnitz-Damgarten | 573.99 mi (923.74 km) |
| Idrija to Richterich | 493.20 mi (793.73 km) |
| Idrija to Riedlingen | 260.80 mi (419.71 km) |
| Idrija to Riegelsberg | 400.53 mi (644.59 km) |
| Idrija to Rielasingen-Worblingen | 272.63 mi (438.75 km) |
| Idrija to Riesa | 368.10 mi (592.40 km) |
| Idrija to Rietberg | 474.04 mi (762.89 km) |
| Idrija to Rinteln | 482.30 mi (776.19 km) |
| Idrija to Ritterhude | 549.23 mi (883.89 km) |
| Idrija to Rodenbach | 367.62 mi (591.63 km) |
| Idrija to Rodental | 325.69 mi (524.14 km) |
