| Smorumnedre to Rhosllanerchrugog | 644.33 mi (1,036.95 km) |
| Smorumnedre to Rhyl | 652.70 mi (1,050.42 km) |
| Smorumnedre to Rhymney | 691.45 mi (1,112.79 km) |
| Smorumnedre to Richmond | 594.00 mi (955.95 km) |
| Smorumnedre to Rickmansworth | 592.80 mi (954.02 km) |
| Smorumnedre to Ripley | 580.60 mi (934.38 km) |
| Smorumnedre to Ripon | 558.69 mi (899.12 km) |
| Smorumnedre to Risca | 689.54 mi (1,109.71 km) |
| Smorumnedre to Rochdale | 594.81 mi (957.25 km) |
| Smorumnedre to Rochester | 569.20 mi (916.04 km) |
| Smorumnedre to Rock Ferry | 633.25 mi (1,019.11 km) |
| Smorumnedre to Rogerstone | 688.77 mi (1,108.47 km) |
| Smorumnedre to Romford | 572.25 mi (920.95 km) |
| Smorumnedre to Romsey | 654.88 mi (1,053.93 km) |
| Smorumnedre to Ross on Wye | 660.31 mi (1,062.67 km) |
