| Aylesbury to Sinop | 1,804.40 mi (2,903.90 km) |
| Aylesbury to Siran | 2,046.57 mi (3,293.63 km) |
| Aylesbury to Sirnak | 2,301.41 mi (3,703.76 km) |
| Aylesbury to Sirvan | 2,259.42 mi (3,636.19 km) |
| Aylesbury to Sivas | 1,975.75 mi (3,179.67 km) |
| Aylesbury to Sivasli | 1,729.24 mi (2,782.94 km) |
| Aylesbury to Siverek | 2,158.88 mi (3,474.38 km) |
| Aylesbury to Sivrice | 2,128.13 mi (3,424.90 km) |
| Aylesbury to Sivrihisar | 1,760.74 mi (2,833.63 km) |
| Aylesbury to Sogut | 1,680.15 mi (2,703.95 km) |
| Aylesbury to Sogutlu | 1,654.62 mi (2,662.85 km) |
| Aylesbury to Soke | 1,674.10 mi (2,694.21 km) |
| Aylesbury to Solhan | 2,179.32 mi (3,507.28 km) |
| Aylesbury to Soma | 1,613.75 mi (2,597.07 km) |
| Aylesbury to Sorgun | 1,896.38 mi (3,051.93 km) |
