| Greenbelt to Ratingen | 3,940.91 mi (6,342.28 km) |
| Greenbelt to Ratzeburg | 4,025.24 mi (6,478.00 km) |
| Greenbelt to Raubling | 4,257.86 mi (6,852.36 km) |
| Greenbelt to Rauenberg | 4,072.95 mi (6,554.78 km) |
| Greenbelt to Raunheim | 4,040.83 mi (6,503.08 km) |
| Greenbelt to Ravensburg | 4,155.13 mi (6,687.03 km) |
| Greenbelt to Recke | 3,946.29 mi (6,350.95 km) |
| Greenbelt to Recklinghausen | 3,945.59 mi (6,349.81 km) |
| Greenbelt to Regen | 4,261.33 mi (6,857.95 km) |
| Greenbelt to Regensburg | 4,217.57 mi (6,787.53 km) |
| Greenbelt to Regenstauf | 4,215.99 mi (6,784.98 km) |
| Greenbelt to Rehau | 4,176.18 mi (6,720.92 km) |
| Greenbelt to Rehburg-Loccum | 4,001.71 mi (6,440.13 km) |
| Greenbelt to Rehlingen-Siersburg | 3,987.14 mi (6,416.68 km) |
| Greenbelt to Reichelsheim | 4,065.34 mi (6,542.53 km) |
