| River Forest to Rhondda | 3,824.48 mi (6,154.90 km) |
| River Forest to Rhosllanerchrugog | 3,797.00 mi (6,110.68 km) |
| River Forest to Rhyl | 3,771.90 mi (6,070.29 km) |
| River Forest to Rhymney | 3,825.37 mi (6,156.33 km) |
| River Forest to Richmond | 3,949.05 mi (6,355.38 km) |
| River Forest to Rickmansworth | 3,936.93 mi (6,335.88 km) |
| River Forest to Ripley | 3,857.47 mi (6,207.99 km) |
| River Forest to Ripon | 3,820.50 mi (6,148.49 km) |
| River Forest to Risca | 3,837.32 mi (6,175.57 km) |
| River Forest to Rochdale | 3,812.55 mi (6,135.70 km) |
| River Forest to Rochester | 3,982.15 mi (6,408.66 km) |
| River Forest to Rock Ferry | 3,788.07 mi (6,096.31 km) |
| River Forest to Rogerstone | 3,839.29 mi (6,178.73 km) |
| River Forest to Romford | 3,963.44 mi (6,378.54 km) |
| River Forest to Romsey | 3,918.06 mi (6,305.51 km) |
