| Poplar Bluff to Rhondda | 4,167.42 mi (6,706.81 km) |
| Poplar Bluff to Rhosllanerchrugog | 4,144.46 mi (6,669.87 km) |
| Poplar Bluff to Rhyl | 4,119.95 mi (6,630.42 km) |
| Poplar Bluff to Rhymney | 4,168.87 mi (6,709.14 km) |
| Poplar Bluff to Richmond | 4,294.27 mi (6,910.96 km) |
| Poplar Bluff to Rickmansworth | 4,282.53 mi (6,892.07 km) |
| Poplar Bluff to Ripley | 4,206.34 mi (6,769.44 km) |
| Poplar Bluff to Ripon | 4,172.31 mi (6,714.68 km) |
| Poplar Bluff to Risca | 4,180.52 mi (6,727.90 km) |
| Poplar Bluff to Rochdale | 4,162.43 mi (6,698.79 km) |
| Poplar Bluff to Rochester | 4,327.86 mi (6,965.02 km) |
| Poplar Bluff to Rock Ferry | 4,136.63 mi (6,657.26 km) |
| Poplar Bluff to Rogerstone | 4,182.46 mi (6,731.03 km) |
| Poplar Bluff to Romford | 4,309.44 mi (6,935.38 km) |
| Poplar Bluff to Romsey | 4,260.81 mi (6,857.10 km) |
