| Mountain Ash to Senftenberg | 744.92 mi (1,198.83 km) |
| Mountain Ash to Siegburg | 461.40 mi (742.55 km) |
| Mountain Ash to Siegen | 495.06 mi (796.72 km) |
| Mountain Ash to Sigmaringen | 612.25 mi (985.32 km) |
| Mountain Ash to Simbach am Inn | 763.89 mi (1,229.37 km) |
| Mountain Ash to Simmerath | 425.85 mi (685.33 km) |
| Mountain Ash to Sindelfingen | 583.90 mi (939.69 km) |
| Mountain Ash to Sinsheim | 564.08 mi (907.79 km) |
| Mountain Ash to Sinzheim | 548.09 mi (882.06 km) |
| Mountain Ash to Sinzig | 467.33 mi (752.09 km) |
| Mountain Ash to Soest | 492.31 mi (792.30 km) |
| Mountain Ash to Solingen | 451.77 mi (727.05 km) |
| Mountain Ash to Soltau | 564.22 mi (908.03 km) |
| Mountain Ash to Sommerda | 624.57 mi (1,005.15 km) |
| Mountain Ash to Sondershausen | 611.83 mi (984.64 km) |
