| Castleford to Rhosllanerchrugog | 85.22 mi (137.14 km) |
| Castleford to Rhyl | 91.42 mi (147.12 km) |
| Castleford to Rhymney | 157.41 mi (253.32 km) |
| Castleford to Richmond | 162.31 mi (261.20 km) |
| Castleford to Rickmansworth | 148.32 mi (238.69 km) |
| Castleford to Ripley | 46.06 mi (74.13 km) |
| Castleford to Ripon | 29.95 mi (48.20 km) |
| Castleford to Risca | 162.78 mi (261.96 km) |
| Castleford to Rochdale | 33.71 mi (54.24 km) |
| Castleford to Rochester | 179.55 mi (288.96 km) |
| Castleford to Rock Ferry | 71.84 mi (115.62 km) |
| Castleford to Rogerstone | 163.17 mi (262.60 km) |
| Castleford to Romford | 161.21 mi (259.45 km) |
| Castleford to Romsey | 188.51 mi (303.38 km) |
| Castleford to Ross on Wye | 134.70 mi (216.77 km) |
