| Mainz to Roding | 197.86 mi (318.43 km) |
| Mainz to Rodinghausen | 157.24 mi (253.05 km) |
| Mainz to Roetgen | 102.15 mi (164.40 km) |
| Mainz to Rommerskirchen | 100.34 mi (161.48 km) |
| Mainz to Ronnenberg | 172.26 mi (277.22 km) |
| Mainz to Rosbach vor der Hohe | 29.05 mi (46.75 km) |
| Mainz to Rosdorf | 126.81 mi (204.07 km) |
| Mainz to Rosenheim | 229.18 mi (368.83 km) |
| Mainz to Rosrath | 79.27 mi (127.58 km) |
| Mainz to Rossdorf | 23.40 mi (37.66 km) |
| Mainz to Rosstal | 123.69 mi (199.07 km) |
| Mainz to Rostock | 327.39 mi (526.89 km) |
| Mainz to Rotenburg an der Fulda | 94.98 mi (152.86 km) |
| Mainz to Roth | 136.30 mi (219.36 km) |
| Mainz to Rothenbach an der Pegnitz | 137.49 mi (221.27 km) |
