| Ruislip to Sinop | 1,786.09 mi (2,874.44 km) |
| Ruislip to Siran | 2,028.39 mi (3,264.37 km) |
| Ruislip to Sirnak | 2,282.98 mi (3,674.10 km) |
| Ruislip to Sirvan | 2,241.09 mi (3,606.68 km) |
| Ruislip to Sivas | 1,956.90 mi (3,149.33 km) |
| Ruislip to Sivasli | 1,708.26 mi (2,749.18 km) |
| Ruislip to Siverek | 2,139.81 mi (3,443.70 km) |
| Ruislip to Sivrice | 2,109.31 mi (3,394.61 km) |
| Ruislip to Sivrihisar | 1,740.50 mi (2,801.06 km) |
| Ruislip to Sogut | 1,659.81 mi (2,671.21 km) |
| Ruislip to Sogutlu | 1,634.69 mi (2,630.78 km) |
| Ruislip to Soke | 1,652.44 mi (2,659.35 km) |
| Ruislip to Solhan | 2,161.10 mi (3,477.96 km) |
| Ruislip to Soma | 1,592.54 mi (2,562.94 km) |
| Ruislip to Sorgun | 1,877.13 mi (3,020.95 km) |
