| Guadarrama to Serik | 1,899.82 mi (3,057.47 km) |
| Guadarrama to Serinhisar | 1,789.90 mi (2,880.56 km) |
| Guadarrama to Serinyol | 2,178.95 mi (3,506.68 km) |
| Guadarrama to Seydisehir | 1,928.11 mi (3,102.99 km) |
| Guadarrama to Seyhan | 2,119.31 mi (3,410.70 km) |
| Guadarrama to Seyitgazi | 1,829.33 mi (2,944.02 km) |
| Guadarrama to Siirt | 2,440.54 mi (3,927.67 km) |
| Guadarrama to Sile | 1,748.64 mi (2,814.17 km) |
| Guadarrama to Silifke | 2,060.31 mi (3,315.74 km) |
| Guadarrama to Silivri | 1,679.90 mi (2,703.54 km) |
| Guadarrama to Silopi | 2,483.36 mi (3,996.57 km) |
| Guadarrama to Simav | 1,746.68 mi (2,811.01 km) |
| Guadarrama to Sinanpasa | 1,818.39 mi (2,926.42 km) |
| Guadarrama to Sindirgi | 1,702.04 mi (2,739.17 km) |
| Guadarrama to Sinop | 2,019.52 mi (3,250.10 km) |
