| Cahokia to Rhondda | 4,071.65 mi (6,552.69 km) |
| Cahokia to Rhosllanerchrugog | 4,046.50 mi (6,512.21 km) |
| Cahokia to Rhyl | 4,021.69 mi (6,472.29 km) |
| Cahokia to Rhymney | 4,072.83 mi (6,554.59 km) |
| Cahokia to Richmond | 4,197.44 mi (6,755.13 km) |
| Cahokia to Rickmansworth | 4,185.52 mi (6,735.94 km) |
| Cahokia to Ripley | 4,107.70 mi (6,610.70 km) |
| Cahokia to Ripon | 4,072.18 mi (6,553.55 km) |
| Cahokia to Risca | 4,084.63 mi (6,573.58 km) |
| Cahokia to Rochdale | 4,063.27 mi (6,539.21 km) |
| Cahokia to Rochester | 4,230.81 mi (6,808.83 km) |
| Cahokia to Rock Ferry | 4,038.12 mi (6,498.73 km) |
| Cahokia to Rogerstone | 4,086.59 mi (6,576.73 km) |
| Cahokia to Romford | 4,212.24 mi (6,778.94 km) |
| Cahokia to Romsey | 4,165.16 mi (6,703.18 km) |
