| Greenock to Ratingen | 573.09 mi (922.30 km) |
| Greenock to Ratzeburg | 635.31 mi (1,022.44 km) |
| Greenock to Raubling | 910.24 mi (1,464.89 km) |
| Greenock to Rauenberg | 727.57 mi (1,170.91 km) |
| Greenock to Raunheim | 683.88 mi (1,100.60 km) |
| Greenock to Ravensburg | 830.46 mi (1,336.50 km) |
| Greenock to Recke | 561.28 mi (903.29 km) |
| Greenock to Recklinghausen | 571.74 mi (920.13 km) |
| Greenock to Regen | 890.76 mi (1,433.54 km) |
| Greenock to Regensburg | 852.09 mi (1,371.30 km) |
| Greenock to Regenstauf | 848.86 mi (1,366.11 km) |
| Greenock to Rehau | 796.89 mi (1,282.48 km) |
| Greenock to Rehburg-Loccum | 612.91 mi (986.39 km) |
| Greenock to Rehlingen-Siersburg | 659.35 mi (1,061.12 km) |
| Greenock to Reichelsheim | 710.74 mi (1,143.82 km) |
