| Mentor to Rodgau | 4,109.96 mi (6,614.34 km) |
| Mentor to Roding | 4,278.35 mi (6,885.34 km) |
| Mentor to Rodinghausen | 4,019.31 mi (6,468.45 km) |
| Mentor to Roetgen | 3,985.24 mi (6,413.62 km) |
| Mentor to Rommerskirchen | 3,991.66 mi (6,423.96 km) |
| Mentor to Ronnenberg | 4,060.63 mi (6,534.95 km) |
| Mentor to Rosbach vor der Hohe | 4,093.27 mi (6,587.48 km) |
| Mentor to Rosdorf | 4,097.54 mi (6,594.35 km) |
| Mentor to Rosenheim | 4,313.79 mi (6,942.38 km) |
| Mentor to Rosrath | 4,014.92 mi (6,461.39 km) |
| Mentor to Rossdorf | 4,110.50 mi (6,615.21 km) |
| Mentor to Rosstal | 4,208.56 mi (6,773.02 km) |
| Mentor to Rostock | 4,089.93 mi (6,582.11 km) |
| Mentor to Rotenburg an der Fulda | 4,108.39 mi (6,611.82 km) |
| Mentor to Roth | 4,222.09 mi (6,794.80 km) |
