| Rapid City to Rhondda | 4,284.70 mi (6,895.56 km) |
| Rapid City to Rhosllanerchrugog | 4,239.76 mi (6,823.23 km) |
| Rapid City to Rhyl | 4,212.81 mi (6,779.87 km) |
| Rapid City to Rhymney | 4,283.41 mi (6,893.48 km) |
| Rapid City to Richmond | 4,397.49 mi (7,077.08 km) |
| Rapid City to Rickmansworth | 4,384.10 mi (7,055.53 km) |
| Rapid City to Ripley | 4,292.87 mi (6,908.71 km) |
| Rapid City to Ripon | 4,243.77 mi (6,829.69 km) |
| Rapid City to Risca | 4,296.25 mi (6,914.14 km) |
| Rapid City to Rochdale | 4,244.60 mi (6,831.03 km) |
| Rapid City to Rochester | 4,427.88 mi (7,125.98 km) |
| Rapid City to Rock Ferry | 4,226.44 mi (6,801.79 km) |
| Rapid City to Rogerstone | 4,298.25 mi (6,917.36 km) |
| Rapid City to Romford | 4,408.41 mi (7,094.65 km) |
| Rapid City to Romsey | 4,376.93 mi (7,043.98 km) |
