| Greenbelt to Reichenbach/Vogtland | 4,175.94 mi (6,720.52 km) |
| Greenbelt to Reinbek | 4,011.80 mi (6,456.38 km) |
| Greenbelt to Reinfeld | 4,011.55 mi (6,455.97 km) |
| Greenbelt to Reinheim | 4,061.71 mi (6,536.69 km) |
| Greenbelt to Reiskirchen | 4,039.40 mi (6,500.79 km) |
| Greenbelt to Rellingen | 3,991.68 mi (6,423.98 km) |
| Greenbelt to Remagen | 3,975.84 mi (6,398.49 km) |
| Greenbelt to Remscheid | 3,958.00 mi (6,369.78 km) |
| Greenbelt to Rendsburg | 3,968.36 mi (6,386.45 km) |
| Greenbelt to Renningen | 4,097.30 mi (6,593.97 km) |
| Greenbelt to Reutlingen | 4,117.40 mi (6,626.32 km) |
| Greenbelt to Rhaude | 3,918.64 mi (6,306.45 km) |
| Greenbelt to Rheda-Wiedenbruck | 3,983.34 mi (6,410.57 km) |
| Greenbelt to Rhede | 3,920.74 mi (6,309.82 km) |
| Greenbelt to Rheinau | 4,059.03 mi (6,532.37 km) |
