| Cay to Ratingen | 1,461.32 mi (2,351.77 km) |
| Cay to Ratzeburg | 1,415.39 mi (2,277.86 km) |
| Cay to Raubling | 1,140.75 mi (1,835.86 km) |
| Cay to Rauenberg | 1,325.48 mi (2,133.16 km) |
| Cay to Raunheim | 1,358.46 mi (2,186.24 km) |
| Cay to Ravensburg | 1,245.68 mi (2,004.72 km) |
| Cay to Recke | 1,465.24 mi (2,358.07 km) |
| Cay to Recklinghausen | 1,458.72 mi (2,347.59 km) |
| Cay to Regen | 1,139.88 mi (1,834.46 km) |
| Cay to Regensburg | 1,182.34 mi (1,902.78 km) |
| Cay to Regenstauf | 1,184.34 mi (1,906.02 km) |
| Cay to Rehau | 1,230.06 mi (1,979.59 km) |
| Cay to Rehburg-Loccum | 1,415.35 mi (2,277.79 km) |
| Cay to Rehlingen-Siersburg | 1,411.64 mi (2,271.81 km) |
| Cay to Reichelsheim | 1,333.57 mi (2,146.18 km) |
