| Mountain Ash to Southwick | 238.06 mi (383.13 km) |
| Mountain Ash to Southwick | 147.79 mi (237.85 km) |
| Mountain Ash to Sowerby Bridge | 153.06 mi (246.33 km) |
| Mountain Ash to Spalding | 156.38 mi (251.67 km) |
| Mountain Ash to Spennymoor | 221.31 mi (356.16 km) |
| Mountain Ash to Spitalfields | 142.25 mi (228.94 km) |
| Mountain Ash to Spondon | 119.61 mi (192.50 km) |
| Mountain Ash to Stafford | 94.34 mi (151.82 km) |
| Mountain Ash to Staines-upon-Thames | 124.38 mi (200.17 km) |
| Mountain Ash to Stalybridge | 136.61 mi (219.85 km) |
| Mountain Ash to Stamford | 139.94 mi (225.21 km) |
| Mountain Ash to Standish | 134.97 mi (217.21 km) |
| Mountain Ash to Stanford le Hope | 163.64 mi (263.35 km) |
| Mountain Ash to Stanley | 161.49 mi (259.89 km) |
| Mountain Ash to Stanmore | 131.47 mi (211.58 km) |
