| Mechernich to Ratzeburg | 275.75 mi (443.78 km) |
| Mechernich to Raubling | 313.56 mi (504.62 km) |
| Mechernich to Rauenberg | 129.66 mi (208.66 km) |
| Mechernich to Raunheim | 89.06 mi (143.34 km) |
| Mechernich to Ravensburg | 236.10 mi (379.96 km) |
| Mechernich to Recke | 130.65 mi (210.27 km) |
| Mechernich to Recklinghausen | 71.59 mi (115.21 km) |
| Mechernich to Regen | 310.34 mi (499.44 km) |
| Mechernich to Regensburg | 265.73 mi (427.66 km) |
| Mechernich to Regenstauf | 264.39 mi (425.49 km) |
| Mechernich to Rehau | 237.42 mi (382.08 km) |
| Mechernich to Rehburg-Loccum | 168.63 mi (271.38 km) |
| Mechernich to Rehlingen-Siersburg | 85.09 mi (136.94 km) |
| Mechernich to Reichelsheim | 114.60 mi (184.43 km) |
| Mechernich to Reichenbach/Vogtland | 247.68 mi (398.61 km) |
