| Guadarrama to Siran | 2,249.71 mi (3,620.55 km) |
| Guadarrama to Sirnak | 2,476.34 mi (3,985.28 km) |
| Guadarrama to Sirvan | 2,441.61 mi (3,929.39 km) |
| Guadarrama to Sivas | 2,149.85 mi (3,459.85 km) |
| Guadarrama to Sivasli | 1,793.79 mi (2,886.83 km) |
| Guadarrama to Siverek | 2,308.87 mi (3,715.77 km) |
| Guadarrama to Sivrice | 2,293.46 mi (3,690.96 km) |
| Guadarrama to Sivrihisar | 1,872.93 mi (3,014.19 km) |
| Guadarrama to Sogut | 1,793.71 mi (2,886.69 km) |
| Guadarrama to Sogutlu | 1,796.74 mi (2,891.58 km) |
| Guadarrama to Soke | 1,689.22 mi (2,718.54 km) |
| Guadarrama to Solhan | 2,371.97 mi (3,817.32 km) |
| Guadarrama to Soma | 1,673.45 mi (2,693.16 km) |
| Guadarrama to Sorgun | 2,054.99 mi (3,307.19 km) |
| Guadarrama to Suhut | 1,837.81 mi (2,957.66 km) |
