| Knottingley to Sinop | 1,843.59 mi (2,966.97 km) |
| Knottingley to Siran | 2,084.06 mi (3,353.97 km) |
| Knottingley to Sirnak | 2,340.53 mi (3,766.72 km) |
| Knottingley to Sirvan | 2,297.79 mi (3,697.94 km) |
| Knottingley to Sivas | 2,019.30 mi (3,249.74 km) |
| Knottingley to Sivasli | 1,794.43 mi (2,887.86 km) |
| Knottingley to Siverek | 2,203.95 mi (3,546.91 km) |
| Knottingley to Sivrice | 2,171.03 mi (3,493.93 km) |
| Knottingley to Sivrihisar | 1,818.00 mi (2,925.79 km) |
| Knottingley to Sogut | 1,738.71 mi (2,798.18 km) |
| Knottingley to Sogutlu | 1,709.08 mi (2,750.49 km) |
| Knottingley to Soke | 1,747.52 mi (2,812.36 km) |
| Knottingley to Solhan | 2,216.87 mi (3,567.71 km) |
| Knottingley to Soma | 1,681.88 mi (2,706.72 km) |
| Knottingley to Sorgun | 1,943.77 mi (3,128.20 km) |
