| Llantwit Major to Senftenberg | 751.23 mi (1,208.98 km) |
| Llantwit Major to Siegburg | 464.78 mi (748.00 km) |
| Llantwit Major to Siegen | 498.91 mi (802.92 km) |
| Llantwit Major to Sigmaringen | 610.27 mi (982.14 km) |
| Llantwit Major to Simbach am Inn | 764.38 mi (1,230.15 km) |
| Llantwit Major to Simmerath | 428.30 mi (689.28 km) |
| Llantwit Major to Sindelfingen | 583.05 mi (938.33 km) |
| Llantwit Major to Sinsheim | 564.33 mi (908.20 km) |
| Llantwit Major to Sinzheim | 546.80 mi (879.99 km) |
| Llantwit Major to Sinzig | 470.01 mi (756.41 km) |
| Llantwit Major to Soest | 497.99 mi (801.43 km) |
| Llantwit Major to Solingen | 456.16 mi (734.12 km) |
| Llantwit Major to Soltau | 573.20 mi (922.47 km) |
| Llantwit Major to Sommerda | 629.78 mi (1,013.53 km) |
| Llantwit Major to Sondershausen | 617.41 mi (993.63 km) |
