| Witham to Solofra | 1,013.25 mi (1,630.67 km) |
| Witham to Somma Lombardo | 559.19 mi (899.93 km) |
| Witham to Somma Vesuviana | 998.22 mi (1,606.48 km) |
| Witham to Sommacampagna | 641.67 mi (1,032.67 km) |
| Witham to Sona | 639.43 mi (1,029.07 km) |
| Witham to Sondrio | 570.58 mi (918.27 km) |
| Witham to Sora | 926.01 mi (1,490.26 km) |
| Witham to Sorbolo | 657.58 mi (1,058.27 km) |
| Witham to Soresina | 615.73 mi (990.93 km) |
| Witham to Sorisole | 585.72 mi (942.62 km) |
| Witham to Sorrento | 1,009.97 mi (1,625.39 km) |
| Witham to Sorso | 848.08 mi (1,364.85 km) |
| Witham to Sortino | 1,230.27 mi (1,979.93 km) |
| Witham to Soverato Marina | 1,186.51 mi (1,909.51 km) |
| Witham to Sovicille | 766.75 mi (1,233.97 km) |
