| Witham to Sinop | 1,742.93 mi (2,804.98 km) |
| Witham to Siran | 1,985.03 mi (3,194.60 km) |
| Witham to Sirnak | 2,240.00 mi (3,604.93 km) |
| Witham to Sirvan | 2,197.96 mi (3,537.28 km) |
| Witham to Sivas | 1,914.63 mi (3,081.30 km) |
| Witham to Sivasli | 1,670.95 mi (2,689.14 km) |
| Witham to Siverek | 2,097.92 mi (3,376.27 km) |
| Witham to Sivrice | 2,066.98 mi (3,326.48 km) |
| Witham to Sivrihisar | 1,701.13 mi (2,737.71 km) |
| Witham to Sogut | 1,620.72 mi (2,608.29 km) |
| Witham to Sogutlu | 1,594.59 mi (2,566.25 km) |
| Witham to Soke | 1,617.56 mi (2,603.21 km) |
| Witham to Solhan | 2,117.80 mi (3,408.28 km) |
| Witham to Soma | 1,556.00 mi (2,504.14 km) |
| Witham to Sorgun | 1,835.60 mi (2,954.11 km) |
