| Boulogne-sur-Mer to Rheinberg | 223.41 mi (359.55 km) |
| Boulogne-sur-Mer to Rheine | 272.28 mi (438.19 km) |
| Boulogne-sur-Mer to Rheinfelden (Baden) | 354.45 mi (570.43 km) |
| Boulogne-sur-Mer to Ribnitz-Damgarten | 516.66 mi (831.48 km) |
| Boulogne-sur-Mer to Richterich | 194.42 mi (312.89 km) |
| Boulogne-sur-Mer to Riedlingen | 394.94 mi (635.59 km) |
| Boulogne-sur-Mer to Riegelsberg | 256.15 mi (412.24 km) |
| Boulogne-sur-Mer to Rielasingen-Worblingen | 385.75 mi (620.81 km) |
| Boulogne-sur-Mer to Riesa | 508.69 mi (818.66 km) |
| Boulogne-sur-Mer to Rietberg | 303.86 mi (489.02 km) |
| Boulogne-sur-Mer to Rinteln | 336.81 mi (542.04 km) |
| Boulogne-sur-Mer to Ritterhude | 348.19 mi (560.36 km) |
| Boulogne-sur-Mer to Rodenbach | 328.74 mi (529.06 km) |
| Boulogne-sur-Mer to Rodental | 416.20 mi (669.81 km) |
| Boulogne-sur-Mer to Rodgau | 323.91 mi (521.28 km) |
