| Swansea to Southwater | 4,201.89 mi (6,762.29 km) |
| Swansea to Southwick | 4,048.27 mi (6,515.06 km) |
| Swansea to Southwick | 4,212.11 mi (6,778.73 km) |
| Swansea to Sowerby Bridge | 4,063.43 mi (6,539.46 km) |
| Swansea to Spalding | 4,156.15 mi (6,688.68 km) |
| Swansea to Spennymoor | 4,047.64 mi (6,514.05 km) |
| Swansea to Spitalfields | 4,197.53 mi (6,755.27 km) |
| Swansea to Spondon | 4,105.08 mi (6,606.50 km) |
| Swansea to Stafford | 4,081.16 mi (6,567.99 km) |
| Swansea to Staines-upon-Thames | 4,183.21 mi (6,732.23 km) |
| Swansea to Stalybridge | 4,064.93 mi (6,541.87 km) |
| Swansea to Stamford | 4,147.52 mi (6,674.79 km) |
| Swansea to Standish | 4,038.62 mi (6,499.53 km) |
| Swansea to Stanford le Hope | 4,216.83 mi (6,786.33 km) |
| Swansea to Stanley | 4,079.50 mi (6,565.32 km) |
