| Maidenhead to Sinop | 1,797.74 mi (2,893.19 km) |
| Maidenhead to Siran | 2,040.08 mi (3,283.19 km) |
| Maidenhead to Sirnak | 2,294.58 mi (3,692.77 km) |
| Maidenhead to Sirvan | 2,252.72 mi (3,625.41 km) |
| Maidenhead to Sivas | 1,968.33 mi (3,167.73 km) |
| Maidenhead to Sivasli | 1,718.49 mi (2,765.64 km) |
| Maidenhead to Siverek | 2,151.15 mi (3,461.94 km) |
| Maidenhead to Sivrice | 2,120.76 mi (3,413.03 km) |
| Maidenhead to Sivrihisar | 1,751.23 mi (2,818.34 km) |
| Maidenhead to Sogut | 1,670.48 mi (2,688.38 km) |
| Maidenhead to Sogutlu | 1,645.61 mi (2,648.35 km) |
| Maidenhead to Soke | 1,662.07 mi (2,674.85 km) |
| Maidenhead to Solhan | 2,172.78 mi (3,496.75 km) |
| Maidenhead to Soma | 1,602.58 mi (2,579.11 km) |
| Maidenhead to Sorgun | 1,888.39 mi (3,039.07 km) |
