| Swansea to Sangeorgiu de Mures | 5,300.47 mi (8,530.28 km) |
| Swansea to Sangeorz-Bai | 5,269.20 mi (8,479.96 km) |
| Swansea to Sannicolau Mare | 5,185.89 mi (8,345.88 km) |
| Swansea to Santana | 5,204.95 mi (8,376.55 km) |
| Swansea to Satu Mare | 5,188.02 mi (8,349.30 km) |
| Swansea to Scobinti | 5,344.81 mi (8,601.64 km) |
| Swansea to Scornicesti | 5,397.02 mi (8,685.66 km) |
| Swansea to Sebes | 5,296.70 mi (8,524.21 km) |
| Swansea to Seini | 5,203.62 mi (8,374.42 km) |
| Swansea to Sfantu-Gheorghe | 5,378.93 mi (8,656.55 km) |
| Swansea to Sibiu | 5,325.10 mi (8,569.92 km) |
| Swansea to Sighetu Marmatiei | 5,216.09 mi (8,394.48 km) |
| Swansea to Sighisoara | 5,327.49 mi (8,573.76 km) |
| Swansea to Simeria | 5,281.93 mi (8,500.45 km) |
| Swansea to Sinaia | 5,395.30 mi (8,682.90 km) |
