| Langley Park to Rheinbach | 3,967.01 mi (6,384.29 km) |
| Langley Park to Rheinberg | 3,928.32 mi (6,322.01 km) |
| Langley Park to Rheine | 3,941.36 mi (6,343.01 km) |
| Langley Park to Rheinfelden (Baden) | 4,089.96 mi (6,582.16 km) |
| Langley Park to Ribnitz-Damgarten | 4,076.65 mi (6,560.74 km) |
| Langley Park to Richterich | 3,926.55 mi (6,319.18 km) |
| Langley Park to Riedlingen | 4,142.01 mi (6,665.91 km) |
| Langley Park to Riegelsberg | 4,003.92 mi (6,443.69 km) |
| Langley Park to Rielasingen-Worblingen | 4,128.60 mi (6,644.34 km) |
| Langley Park to Riesa | 4,196.80 mi (6,754.09 km) |
| Langley Park to Rietberg | 3,993.59 mi (6,427.06 km) |
| Langley Park to Rinteln | 4,007.93 mi (6,450.13 km) |
| Langley Park to Ritterhude | 3,968.07 mi (6,386.00 km) |
| Langley Park to Rodenbach | 4,064.40 mi (6,541.01 km) |
| Langley Park to Rodental | 4,141.50 mi (6,665.10 km) |
