| Bletchley to Sinop | 1,802.69 mi (2,901.14 km) |
| Bletchley to Siran | 2,044.73 mi (3,290.68 km) |
| Bletchley to Sirnak | 2,299.78 mi (3,701.14 km) |
| Bletchley to Sirvan | 2,257.71 mi (3,633.44 km) |
| Bletchley to Sivas | 1,974.52 mi (3,177.68 km) |
| Bletchley to Sivasli | 1,730.28 mi (2,784.61 km) |
| Bletchley to Siverek | 2,157.83 mi (3,472.70 km) |
| Bletchley to Sivrice | 2,126.86 mi (3,422.85 km) |
| Bletchley to Sivrihisar | 1,760.91 mi (2,833.91 km) |
| Bletchley to Sogut | 1,680.45 mi (2,704.42 km) |
| Bletchley to Sogutlu | 1,654.46 mi (2,662.60 km) |
| Bletchley to Soke | 1,676.08 mi (2,697.39 km) |
| Bletchley to Solhan | 2,177.52 mi (3,504.37 km) |
| Bletchley to Soma | 1,615.10 mi (2,599.24 km) |
| Bletchley to Sorgun | 1,895.53 mi (3,050.56 km) |
