| Boulogne-sur-Mer to Ratzeburg | 437.48 mi (704.05 km) |
| Boulogne-sur-Mer to Raubling | 514.18 mi (827.49 km) |
| Boulogne-sur-Mer to Rauenberg | 330.43 mi (531.78 km) |
| Boulogne-sur-Mer to Raunheim | 305.07 mi (490.96 km) |
| Boulogne-sur-Mer to Ravensburg | 413.69 mi (665.78 km) |
| Boulogne-sur-Mer to Recke | 285.69 mi (459.77 km) |
| Boulogne-sur-Mer to Recklinghausen | 247.54 mi (398.37 km) |
| Boulogne-sur-Mer to Regen | 526.81 mi (847.82 km) |
| Boulogne-sur-Mer to Regensburg | 480.45 mi (773.22 km) |
| Boulogne-sur-Mer to Regenstauf | 480.14 mi (772.71 km) |
| Boulogne-sur-Mer to Rehau | 458.07 mi (737.20 km) |
| Boulogne-sur-Mer to Rehburg-Loccum | 346.84 mi (558.19 km) |
| Boulogne-sur-Mer to Rehlingen-Siersburg | 243.41 mi (391.73 km) |
| Boulogne-sur-Mer to Reichelsheim | 326.81 mi (525.95 km) |
| Boulogne-sur-Mer to Reichenbach/Vogtland | 467.55 mi (752.45 km) |
