| Mainz to Ratzeburg | 277.78 mi (447.04 km) |
| Mainz to Raubling | 231.05 mi (371.85 km) |
| Mainz to Rauenberg | 53.16 mi (85.56 km) |
| Mainz to Raunheim | 8.46 mi (13.62 km) |
| Mainz to Ravensburg | 163.83 mi (263.66 km) |
| Mainz to Recke | 166.60 mi (268.12 km) |
| Mainz to Recklinghausen | 120.73 mi (194.29 km) |
| Mainz to Regen | 229.45 mi (369.27 km) |
| Mainz to Regensburg | 183.80 mi (295.79 km) |
| Mainz to Regenstauf | 182.97 mi (294.47 km) |
| Mainz to Rehau | 167.14 mi (268.99 km) |
| Mainz to Rehburg-Loccum | 175.28 mi (282.09 km) |
| Mainz to Rehlingen-Siersburg | 82.74 mi (133.15 km) |
| Mainz to Reichelsheim | 31.55 mi (50.77 km) |
| Mainz to Reichenbach/Vogtland | 183.28 mi (294.97 km) |
