| Tordesillas to Siran | 2,282.90 mi (3,673.98 km) |
| Tordesillas to Sirnak | 2,513.00 mi (4,044.28 km) |
| Tordesillas to Sirvan | 2,477.51 mi (3,987.17 km) |
| Tordesillas to Sivas | 2,184.94 mi (3,516.31 km) |
| Tordesillas to Sivasli | 1,835.36 mi (2,953.73 km) |
| Tordesillas to Siverek | 2,346.79 mi (3,776.79 km) |
| Tordesillas to Sivrice | 2,330.04 mi (3,749.84 km) |
| Tordesillas to Sivrihisar | 1,911.29 mi (3,075.93 km) |
| Tordesillas to Sogut | 1,831.35 mi (2,947.28 km) |
| Tordesillas to Sogutlu | 1,832.06 mi (2,948.42 km) |
| Tordesillas to Soke | 1,733.80 mi (2,790.28 km) |
| Tordesillas to Solhan | 2,406.67 mi (3,873.17 km) |
| Tordesillas to Soma | 1,714.42 mi (2,759.09 km) |
| Tordesillas to Sorgun | 2,090.79 mi (3,364.80 km) |
| Tordesillas to Suhut | 1,878.80 mi (3,023.63 km) |
