| Tilehurst to Sinop | 1,811.00 mi (2,914.52 km) |
| Tilehurst to Siran | 2,053.38 mi (3,304.60 km) |
| Tilehurst to Sirnak | 2,307.77 mi (3,714.00 km) |
| Tilehurst to Sirvan | 2,265.96 mi (3,646.71 km) |
| Tilehurst to Sivas | 1,981.34 mi (3,188.66 km) |
| Tilehurst to Sivasli | 1,730.13 mi (2,784.37 km) |
| Tilehurst to Siverek | 2,164.05 mi (3,482.70 km) |
| Tilehurst to Sivrice | 2,133.78 mi (3,433.99 km) |
| Tilehurst to Sivrihisar | 1,763.45 mi (2,837.99 km) |
| Tilehurst to Sogut | 1,682.63 mi (2,707.93 km) |
| Tilehurst to Sogutlu | 1,658.04 mi (2,668.35 km) |
| Tilehurst to Soke | 1,673.04 mi (2,692.50 km) |
| Tilehurst to Solhan | 2,186.06 mi (3,518.13 km) |
| Tilehurst to Soma | 1,614.02 mi (2,597.51 km) |
| Tilehurst to Sorgun | 1,901.19 mi (3,059.68 km) |
