| Hwlffordd to Senftenberg | 811.74 mi (1,306.37 km) |
| Hwlffordd to Siegburg | 529.80 mi (852.63 km) |
| Hwlffordd to Siegen | 563.32 mi (906.58 km) |
| Hwlffordd to Sigmaringen | 679.56 mi (1,093.65 km) |
| Hwlffordd to Simbach am Inn | 832.29 mi (1,339.44 km) |
| Hwlffordd to Simmerath | 494.39 mi (795.64 km) |
| Hwlffordd to Sindelfingen | 651.82 mi (1,049.00 km) |
| Hwlffordd to Sinsheim | 632.39 mi (1,017.74 km) |
| Hwlffordd to Sinzheim | 615.79 mi (991.02 km) |
| Hwlffordd to Sinzig | 535.84 mi (862.35 km) |
| Hwlffordd to Soest | 559.74 mi (900.81 km) |
| Hwlffordd to Solingen | 519.86 mi (836.64 km) |
| Hwlffordd to Soltau | 628.36 mi (1,011.25 km) |
| Hwlffordd to Sommerda | 692.20 mi (1,114.00 km) |
| Hwlffordd to Sondershausen | 679.23 mi (1,093.12 km) |
