| Idar-Oberstein to Rochefort | 463.33 mi (745.66 km) |
| Idar-Oberstein to Rodez | 432.21 mi (695.58 km) |
| Idar-Oberstein to Rognac | 441.16 mi (709.98 km) |
| Idar-Oberstein to Roissy-en-Brie | 219.60 mi (353.40 km) |
| Idar-Oberstein to Romainville | 227.06 mi (365.42 km) |
| Idar-Oberstein to Romans-sur-Isere | 339.20 mi (545.89 km) |
| Idar-Oberstein to Rombas | 63.33 mi (101.91 km) |
| Idar-Oberstein to Romilly-sur-Seine | 182.00 mi (292.89 km) |
| Idar-Oberstein to Ronchin | 196.93 mi (316.92 km) |
| Idar-Oberstein to Roncq | 198.77 mi (319.90 km) |
| Idar-Oberstein to Roquebrune-sur-Argens | 434.26 mi (698.88 km) |
| Idar-Oberstein to Roquevaire | 446.98 mi (719.34 km) |
| Idar-Oberstein to Rosny-sous-Bois | 225.30 mi (362.59 km) |
| Idar-Oberstein to Roubaix | 194.80 mi (313.49 km) |
| Idar-Oberstein to Rouen | 279.40 mi (449.66 km) |
