| Swansea to Saarijarvi | 4,585.54 mi (7,379.72 km) |
| Swansea to Salo | 4,631.91 mi (7,454.34 km) |
| Swansea to Sastamala | 4,585.19 mi (7,379.16 km) |
| Swansea to Savonlinna | 4,711.45 mi (7,582.34 km) |
| Swansea to Seinajoki | 4,522.00 mi (7,277.45 km) |
| Swansea to Siilinjarvi | 4,626.67 mi (7,445.90 km) |
| Swansea to Sipoo | 4,688.97 mi (7,546.17 km) |
| Swansea to Sippola | 4,717.02 mi (7,591.31 km) |
| Swansea to Sodankyla | 4,409.99 mi (7,097.19 km) |
| Swansea to Somero | 4,631.62 mi (7,453.87 km) |
| Swansea to Sotkamo | 4,595.13 mi (7,395.15 km) |
| Swansea to Tampere | 4,600.53 mi (7,403.83 km) |
| Swansea to Tornio | 4,424.35 mi (7,120.31 km) |
| Swansea to Turku | 4,606.20 mi (7,412.96 km) |
| Swansea to Tuusula | 4,680.64 mi (7,532.76 km) |
