| Mainz to Rheinberg | 130.26 mi (209.63 km) |
| Mainz to Rheine | 162.97 mi (262.27 km) |
| Mainz to Rheinfelden (Baden) | 168.75 mi (271.57 km) |
| Mainz to Ribnitz-Damgarten | 344.33 mi (554.15 km) |
| Mainz to Richterich | 112.59 mi (181.19 km) |
| Mainz to Riedlingen | 137.59 mi (221.43 km) |
| Mainz to Riegelsberg | 76.18 mi (122.61 km) |
| Mainz to Rielasingen-Worblingen | 157.53 mi (253.53 km) |
| Mainz to Riesa | 238.46 mi (383.76 km) |
| Mainz to Rietberg | 125.73 mi (202.35 km) |
| Mainz to Rinteln | 156.55 mi (251.95 km) |
| Mainz to Ritterhude | 222.29 mi (357.75 km) |
| Mainz to Rodenbach | 35.90 mi (57.77 km) |
| Mainz to Rodental | 125.72 mi (202.33 km) |
| Mainz to Rodgau | 27.48 mi (44.23 km) |
