| Luton to Sinop | 1,788.17 mi (2,877.79 km) |
| Luton to Siran | 2,030.28 mi (3,267.42 km) |
| Luton to Sirnak | 2,285.23 mi (3,677.72 km) |
| Luton to Sirvan | 2,243.20 mi (3,610.08 km) |
| Luton to Sivas | 1,959.79 mi (3,153.97 km) |
| Luton to Sivasli | 1,714.81 mi (2,759.72 km) |
| Luton to Siverek | 2,143.02 mi (3,448.86 km) |
| Luton to Sivrice | 2,112.15 mi (3,399.17 km) |
| Luton to Sivrihisar | 1,745.66 mi (2,809.38 km) |
| Luton to Sogut | 1,665.17 mi (2,679.83 km) |
| Luton to Sogutlu | 1,639.32 mi (2,638.23 km) |
| Luton to Soke | 1,660.45 mi (2,672.24 km) |
| Luton to Solhan | 2,163.05 mi (3,481.09 km) |
| Luton to Soma | 1,599.57 mi (2,574.25 km) |
| Luton to Sorgun | 1,880.64 mi (3,026.60 km) |
