| Webster Groves to Rhondda | 4,077.46 mi (6,562.05 km) |
| Webster Groves to Rhosllanerchrugog | 4,052.10 mi (6,521.22 km) |
| Webster Groves to Rhyl | 4,027.26 mi (6,481.25 km) |
| Webster Groves to Rhymney | 4,078.62 mi (6,563.91 km) |
| Webster Groves to Richmond | 4,203.15 mi (6,764.31 km) |
| Webster Groves to Rickmansworth | 4,191.20 mi (6,745.09 km) |
| Webster Groves to Ripley | 4,113.22 mi (6,619.59 km) |
| Webster Groves to Ripon | 4,077.56 mi (6,562.20 km) |
| Webster Groves to Risca | 4,090.44 mi (6,582.92 km) |
| Webster Groves to Rochdale | 4,068.75 mi (6,548.02 km) |
| Webster Groves to Rochester | 4,236.49 mi (6,817.97 km) |
| Webster Groves to Rock Ferry | 4,043.67 mi (6,507.66 km) |
| Webster Groves to Rogerstone | 4,092.39 mi (6,586.07 km) |
| Webster Groves to Romford | 4,217.91 mi (6,788.07 km) |
| Webster Groves to Romsey | 4,170.98 mi (6,712.55 km) |
