| Mentor to Ratingen | 3,989.10 mi (6,419.84 km) |
| Mentor to Ratzeburg | 4,053.91 mi (6,524.14 km) |
| Mentor to Raubling | 4,314.99 mi (6,944.31 km) |
| Mentor to Rauenberg | 4,128.91 mi (6,644.84 km) |
| Mentor to Raunheim | 4,093.27 mi (6,587.47 km) |
| Mentor to Ravensburg | 4,217.12 mi (6,786.80 km) |
| Mentor to Recke | 3,987.16 mi (6,416.71 km) |
| Mentor to Recklinghausen | 3,991.70 mi (6,424.02 km) |
| Mentor to Regen | 4,310.54 mi (6,937.15 km) |
| Mentor to Regensburg | 4,268.55 mi (6,869.57 km) |
| Mentor to Regenstauf | 4,266.34 mi (6,866.01 km) |
| Mentor to Rehau | 4,220.97 mi (6,792.99 km) |
| Mentor to Rehburg-Loccum | 4,039.71 mi (6,501.28 km) |
| Mentor to Rehlingen-Siersburg | 4,046.16 mi (6,511.67 km) |
| Mentor to Reichelsheim | 4,118.69 mi (6,628.40 km) |
