| Langley Park to Reichenbach/Vogtland | 4,179.82 mi (6,726.76 km) |
| Langley Park to Reinbek | 4,015.55 mi (6,462.40 km) |
| Langley Park to Reinfeld | 4,015.27 mi (6,461.95 km) |
| Langley Park to Reinheim | 4,065.69 mi (6,543.10 km) |
| Langley Park to Reiskirchen | 4,043.34 mi (6,507.13 km) |
| Langley Park to Rellingen | 3,995.42 mi (6,430.01 km) |
| Langley Park to Remagen | 3,979.80 mi (6,404.87 km) |
| Langley Park to Remscheid | 3,961.93 mi (6,376.11 km) |
| Langley Park to Rendsburg | 3,972.06 mi (6,392.41 km) |
| Langley Park to Renningen | 4,101.34 mi (6,600.47 km) |
| Langley Park to Reutlingen | 4,121.45 mi (6,632.83 km) |
| Langley Park to Rhaude | 3,922.45 mi (6,312.57 km) |
| Langley Park to Rheda-Wiedenbruck | 3,987.22 mi (6,416.81 km) |
| Langley Park to Rhede | 3,924.64 mi (6,316.10 km) |
| Langley Park to Rheinau | 4,063.09 mi (6,538.91 km) |
