| Swansea to Stone | 4,077.26 mi (6,561.72 km) |
| Swansea to Stonehaven | 3,964.85 mi (6,380.81 km) |
| Swansea to Stourbridge | 4,089.97 mi (6,582.17 km) |
| Swansea to Stowmarket | 4,217.84 mi (6,787.95 km) |
| Swansea to Stranraer | 3,915.79 mi (6,301.86 km) |
| Swansea to Stratford | 4,199.53 mi (6,758.49 km) |
| Swansea to Stratford-upon-Avon | 4,114.55 mi (6,621.73 km) |
| Swansea to Stratton Saint Margaret | 4,130.18 mi (6,646.88 km) |
| Swansea to Streatham | 4,198.38 mi (6,756.63 km) |
| Swansea to Street | 4,105.54 mi (6,607.23 km) |
| Swansea to Streetly | 4,096.63 mi (6,592.88 km) |
| Swansea to Stretford | 4,055.86 mi (6,527.28 km) |
| Swansea to Strood | 4,222.65 mi (6,795.69 km) |
| Swansea to Stroud | 4,107.97 mi (6,611.13 km) |
| Swansea to Sudbury | 4,186.95 mi (6,738.25 km) |
