| Thornton to Rhondda | 163.90 mi (263.77 km) |
| Thornton to Rhosllanerchrugog | 73.11 mi (117.66 km) |
| Thornton to Rhyl | 74.31 mi (119.60 km) |
| Thornton to Rhymney | 152.55 mi (245.51 km) |
| Thornton to Richmond | 173.84 mi (279.77 km) |
| Thornton to Rickmansworth | 159.54 mi (256.76 km) |
| Thornton to Ripley | 54.28 mi (87.35 km) |
| Thornton to Ripon | 27.47 mi (44.22 km) |
| Thornton to Risca | 159.44 mi (256.59 km) |
| Thornton to Rochdale | 17.60 mi (28.32 km) |
| Thornton to Rochester | 193.82 mi (311.92 km) |
| Thornton to Rock Ferry | 55.53 mi (89.37 km) |
| Thornton to Rogerstone | 160.08 mi (257.63 km) |
| Thornton to Romford | 174.95 mi (281.55 km) |
| Thornton to Romsey | 194.09 mi (312.36 km) |
