| Swansea to Sonneberg | 4,661.07 mi (7,501.27 km) |
| Swansea to Sonsbeck | 4,438.39 mi (7,142.90 km) |
| Swansea to Sonthofen | 4,737.36 mi (7,624.04 km) |
| Swansea to Spaichingen | 4,656.30 mi (7,493.59 km) |
| Swansea to Spelle | 4,451.73 mi (7,164.37 km) |
| Swansea to Spenge | 4,496.88 mi (7,237.04 km) |
| Swansea to Speyer | 4,597.97 mi (7,399.71 km) |
| Swansea to Spiesen-Elversberg | 4,548.55 mi (7,320.19 km) |
| Swansea to Spremberg | 4,728.15 mi (7,609.22 km) |
| Swansea to Springe | 4,532.26 mi (7,293.97 km) |
| Swansea to Sprockhovel | 4,479.24 mi (7,208.63 km) |
| Swansea to Stade | 4,479.22 mi (7,208.61 km) |
| Swansea to Stadtallendorf | 4,563.82 mi (7,344.76 km) |
| Swansea to Stadthagen | 4,516.01 mi (7,267.81 km) |
| Swansea to Stadtlohn | 4,444.79 mi (7,153.20 km) |
