| Langley Park to Racale | 4,796.97 mi (7,719.98 km) |
| Langley Park to Racconigi | 4,171.15 mi (6,712.81 km) |
| Langley Park to Raffadali | 4,689.64 mi (7,547.25 km) |
| Langley Park to Ragusa | 4,762.91 mi (7,665.16 km) |
| Langley Park to Ramacca | 4,744.00 mi (7,634.73 km) |
| Langley Park to Randazzo | 4,736.37 mi (7,622.46 km) |
| Langley Park to Rapallo | 4,252.11 mi (6,843.11 km) |
| Langley Park to Ravanusa | 4,714.87 mi (7,587.84 km) |
| Langley Park to Ravenna | 4,378.29 mi (7,046.17 km) |
| Langley Park to Recanati | 4,471.60 mi (7,196.34 km) |
| Langley Park to Recco | 4,247.94 mi (6,836.39 km) |
| Langley Park to Reggello | 4,374.43 mi (7,039.97 km) |
| Langley Park to Reggio di Calabria | 4,759.32 mi (7,659.38 km) |
| Langley Park to Reggio Emilia | 4,301.29 mi (6,922.26 km) |
| Langley Park to Reggiolo | 4,302.00 mi (6,923.40 km) |
