| Idar-Oberstein to Quickborn | 299.04 mi (481.25 km) |
| Idar-Oberstein to Quierschied | 29.72 mi (47.82 km) |
| Idar-Oberstein to Radeberg | 306.40 mi (493.11 km) |
| Idar-Oberstein to Radebeul | 294.97 mi (474.71 km) |
| Idar-Oberstein to Radevormwald | 102.87 mi (165.55 km) |
| Idar-Oberstein to Radolfzell am Bodensee | 156.07 mi (251.17 km) |
| Idar-Oberstein to Raesfeld | 143.55 mi (231.02 km) |
| Idar-Oberstein to Rahden | 195.29 mi (314.29 km) |
| Idar-Oberstein to Rain | 177.51 mi (285.67 km) |
| Idar-Oberstein to Rangsdorf | 319.83 mi (514.71 km) |
| Idar-Oberstein to Rastatt | 71.69 mi (115.38 km) |
| Idar-Oberstein to Rastede | 247.45 mi (398.23 km) |
| Idar-Oberstein to Ratekau | 327.16 mi (526.51 km) |
| Idar-Oberstein to Rathenow | 295.11 mi (474.93 km) |
| Idar-Oberstein to Ratingen | 111.63 mi (179.65 km) |
