| Langley Park to Rodgau | 4,062.26 mi (6,537.58 km) |
| Langley Park to Roding | 4,233.08 mi (6,812.49 km) |
| Langley Park to Rodinghausen | 3,982.89 mi (6,409.85 km) |
| Langley Park to Roetgen | 3,936.36 mi (6,334.96 km) |
| Langley Park to Rommerskirchen | 3,945.69 mi (6,349.97 km) |
| Langley Park to Ronnenberg | 4,026.48 mi (6,479.99 km) |
| Langley Park to Rosbach vor der Hohe | 4,046.73 mi (6,512.59 km) |
| Langley Park to Rosdorf | 4,059.43 mi (6,533.02 km) |
| Langley Park to Rosenheim | 4,261.06 mi (6,857.51 km) |
| Langley Park to Rosrath | 3,969.03 mi (6,387.53 km) |
| Langley Park to Rossdorf | 4,061.74 mi (6,536.74 km) |
| Langley Park to Rosstal | 4,161.26 mi (6,696.90 km) |
| Langley Park to Rostock | 4,069.27 mi (6,548.85 km) |
| Langley Park to Rotenburg an der Fulda | 4,067.32 mi (6,545.73 km) |
| Langley Park to Roth | 4,174.39 mi (6,718.03 km) |
