| Swansea to Scarborough | 4,103.11 mi (6,603.31 km) |
| Swansea to Scartho | 4,136.02 mi (6,656.28 km) |
| Swansea to Scunthorpe | 4,114.09 mi (6,621.00 km) |
| Swansea to Seacombe | 4,029.73 mi (6,485.23 km) |
| Swansea to Seacroft | 4,077.04 mi (6,561.37 km) |
| Swansea to Seaford | 4,227.38 mi (6,803.31 km) |
| Swansea to Seaham | 4,052.88 mi (6,522.48 km) |
| Swansea to Sedgley | 4,088.56 mi (6,579.90 km) |
| Swansea to Selby | 4,092.68 mi (6,586.53 km) |
| Swansea to Selsey | 4,193.66 mi (6,749.05 km) |
| Swansea to Selston | 4,104.56 mi (6,605.66 km) |
| Swansea to Sevenoaks | 4,215.00 mi (6,783.38 km) |
| Swansea to Shanklin | 4,181.63 mi (6,729.68 km) |
| Swansea to Sheerness | 4,232.00 mi (6,810.74 km) |
| Swansea to Sheffield | 4,089.22 mi (6,580.97 km) |
