| Mountain Ash to Ramsgate | 207.55 mi (334.02 km) |
| Mountain Ash to Raunds | 129.26 mi (208.02 km) |
| Mountain Ash to Rawmarsh | 149.88 mi (241.21 km) |
| Mountain Ash to Rawtenstall | 146.66 mi (236.02 km) |
| Mountain Ash to Rayleigh | 170.96 mi (275.14 km) |
| Mountain Ash to Raynes Park | 136.58 mi (219.81 km) |
| Mountain Ash to Reading | 104.52 mi (168.20 km) |
| Mountain Ash to Redcar | 224.32 mi (361.00 km) |
| Mountain Ash to Reddish | 131.72 mi (211.99 km) |
| Mountain Ash to Redditch | 74.91 mi (120.55 km) |
| Mountain Ash to Redhill | 141.37 mi (227.51 km) |
| Mountain Ash to Redruth | 128.29 mi (206.47 km) |
| Mountain Ash to Reigate | 140.00 mi (225.31 km) |
| Mountain Ash to Renfrew | 292.86 mi (471.32 km) |
| Mountain Ash to Rhondda | 4.81 mi (7.75 km) |
