| Weston-super-Mare to Sinop | 1,893.27 mi (3,046.93 km) |
| Weston-super-Mare to Siran | 2,135.76 mi (3,437.17 km) |
| Weston-super-Mare to Sirnak | 2,389.85 mi (3,846.09 km) |
| Weston-super-Mare to Sirvan | 2,348.15 mi (3,778.98 km) |
| Weston-super-Mare to Sivas | 2,062.92 mi (3,319.95 km) |
| Weston-super-Mare to Sivasli | 1,807.21 mi (2,908.42 km) |
| Weston-super-Mare to Siverek | 2,245.29 mi (3,613.45 km) |
| Weston-super-Mare to Sivrice | 2,215.38 mi (3,565.32 km) |
| Weston-super-Mare to Sivrihisar | 1,842.55 mi (2,965.29 km) |
| Weston-super-Mare to Sogut | 1,761.50 mi (2,834.86 km) |
| Weston-super-Mare to Sogutlu | 1,737.86 mi (2,796.81 km) |
| Weston-super-Mare to Soke | 1,747.57 mi (2,812.44 km) |
| Weston-super-Mare to Solhan | 2,268.38 mi (3,650.61 km) |
| Weston-super-Mare to Soma | 1,690.37 mi (2,720.39 km) |
| Weston-super-Mare to Sorgun | 1,982.19 mi (3,190.02 km) |
