| Swansea to Roeselare | 4,338.52 mi (6,982.18 km) |
| Swansea to Ronse | 4,363.23 mi (7,021.93 km) |
| Swansea to Rotselaar | 4,398.70 mi (7,079.02 km) |
| Swansea to Rumst | 4,383.08 mi (7,053.88 km) |
| Swansea to Saint-Ghislain | 4,381.61 mi (7,051.52 km) |
| Swansea to Saint-Nicolas | 4,440.79 mi (7,146.76 km) |
| Swansea to Saint-Vith | 4,475.80 mi (7,203.10 km) |
| Swansea to Scherpenheuvel | 4,406.58 mi (7,091.71 km) |
| Swansea to Schilde | 4,383.66 mi (7,054.82 km) |
| Swansea to Schoten | 4,380.58 mi (7,049.87 km) |
| Swansea to Seneffe | 4,395.39 mi (7,073.70 km) |
| Swansea to Seraing | 4,441.26 mi (7,147.52 km) |
| Swansea to Sint-Amandsberg | 4,358.75 mi (7,014.73 km) |
| Swansea to Sint-Andries | 4,332.38 mi (6,972.29 km) |
| Swansea to Sint-Genesius-Rode | 4,391.88 mi (7,068.04 km) |
