| Mountain Ash to Scartho | 188.39 mi (303.18 km) |
| Mountain Ash to Scunthorpe | 174.11 mi (280.20 km) |
| Mountain Ash to Seacombe | 120.27 mi (193.55 km) |
| Mountain Ash to Seacroft | 168.27 mi (270.81 km) |
| Mountain Ash to Seaford | 163.16 mi (262.59 km) |
| Mountain Ash to Seaham | 233.92 mi (376.46 km) |
| Mountain Ash to Sedgley | 79.75 mi (128.35 km) |
| Mountain Ash to Selby | 174.32 mi (280.53 km) |
| Mountain Ash to Selsey | 129.75 mi (208.82 km) |
| Mountain Ash to Selston | 129.98 mi (209.18 km) |
| Mountain Ash to Sevenoaks | 155.97 mi (251.00 km) |
| Mountain Ash to Shanklin | 119.86 mi (192.89 km) |
| Mountain Ash to Sheerness | 178.54 mi (287.34 km) |
| Mountain Ash to Sheffield | 142.20 mi (228.85 km) |
| Mountain Ash to Sheldon | 86.67 mi (139.48 km) |
