| Leighton Buzzard to Sinop | 1,798.97 mi (2,895.16 km) |
| Leighton Buzzard to Siran | 2,041.07 mi (3,284.78 km) |
| Leighton Buzzard to Sirnak | 2,296.04 mi (3,695.11 km) |
| Leighton Buzzard to Sirvan | 2,254.00 mi (3,627.46 km) |
| Leighton Buzzard to Sivas | 1,970.62 mi (3,171.41 km) |
| Leighton Buzzard to Sivasli | 1,725.60 mi (2,777.08 km) |
| Leighton Buzzard to Siverek | 2,153.87 mi (3,466.31 km) |
| Leighton Buzzard to Sivrice | 2,122.98 mi (3,416.60 km) |
| Leighton Buzzard to Sivrihisar | 1,756.51 mi (2,826.83 km) |
| Leighton Buzzard to Sogut | 1,676.01 mi (2,697.27 km) |
| Leighton Buzzard to Sogutlu | 1,650.17 mi (2,655.70 km) |
| Leighton Buzzard to Soke | 1,671.12 mi (2,689.40 km) |
| Leighton Buzzard to Solhan | 2,173.84 mi (3,498.46 km) |
| Leighton Buzzard to Soma | 1,610.32 mi (2,591.56 km) |
| Leighton Buzzard to Sorgun | 1,891.49 mi (3,044.06 km) |
