| Aldenhoven to Ratzeburg | 270.39 mi (435.15 km) |
| Aldenhoven to Raubling | 338.63 mi (544.97 km) |
| Aldenhoven to Rauenberg | 155.45 mi (250.17 km) |
| Aldenhoven to Raunheim | 113.02 mi (181.89 km) |
| Aldenhoven to Ravensburg | 262.06 mi (421.74 km) |
| Aldenhoven to Recke | 119.02 mi (191.54 km) |
| Aldenhoven to Recklinghausen | 60.93 mi (98.06 km) |
| Aldenhoven to Regen | 332.38 mi (534.92 km) |
| Aldenhoven to Regensburg | 288.57 mi (464.40 km) |
| Aldenhoven to Regenstauf | 286.87 mi (461.67 km) |
| Aldenhoven to Rehau | 255.45 mi (411.11 km) |
| Aldenhoven to Rehburg-Loccum | 165.05 mi (265.62 km) |
| Aldenhoven to Rehlingen-Siersburg | 106.96 mi (172.14 km) |
| Aldenhoven to Reichelsheim | 139.22 mi (224.05 km) |
| Aldenhoven to Reichenbach/Vogtland | 263.63 mi (424.27 km) |