| Langley Park to Rosolini | 4,777.15 mi (7,688.08 km) |
| Langley Park to Rossano | 4,747.76 mi (7,640.79 km) |
| Langley Park to Rottofreno | 4,242.82 mi (6,828.17 km) |
| Langley Park to Rovato | 4,245.66 mi (6,832.73 km) |
| Langley Park to Roverbella | 4,288.30 mi (6,901.35 km) |
| Langley Park to Rovereto | 4,280.09 mi (6,888.14 km) |
| Langley Park to Rovigo | 4,338.33 mi (6,981.87 km) |
| Langley Park to Rozzano | 4,215.18 mi (6,783.67 km) |
| Langley Park to Rubano | 4,326.07 mi (6,962.13 km) |
| Langley Park to Rubiera | 4,309.42 mi (6,935.34 km) |
| Langley Park to Ruffano | 4,802.89 mi (7,729.51 km) |
| Langley Park to Russi | 4,372.42 mi (7,036.72 km) |
| Langley Park to Rutigliano | 4,707.40 mi (7,575.83 km) |
| Langley Park to Ruvo di Puglia | 4,682.29 mi (7,535.41 km) |
| Langley Park to Sabaudia | 4,523.40 mi (7,279.71 km) |
