| Dormagen to Ratzeburg | 244.40 mi (393.32 km) |
| Dormagen to Raubling | 329.69 mi (530.58 km) |
| Dormagen to Rauenberg | 151.63 mi (244.02 km) |
| Dormagen to Raunheim | 103.64 mi (166.79 km) |
| Dormagen to Ravensburg | 261.27 mi (420.47 km) |
| Dormagen to Recke | 95.86 mi (154.28 km) |
| Dormagen to Recklinghausen | 36.67 mi (59.02 km) |
| Dormagen to Regen | 316.58 mi (509.48 km) |
| Dormagen to Regensburg | 274.30 mi (441.45 km) |
| Dormagen to Regenstauf | 272.00 mi (437.75 km) |
| Dormagen to Rehau | 235.08 mi (378.33 km) |
| Dormagen to Rehburg-Loccum | 138.41 mi (222.74 km) |
| Dormagen to Rehlingen-Siersburg | 119.78 mi (192.77 km) |
| Dormagen to Reichelsheim | 130.73 mi (210.39 km) |
| Dormagen to Reichenbach/Vogtland | 241.41 mi (388.52 km) |
