| Illescas to Serik | 1,889.19 mi (3,040.36 km) |
| Illescas to Serinhisar | 1,779.57 mi (2,863.94 km) |
| Illescas to Serinyol | 2,169.46 mi (3,491.40 km) |
| Illescas to Seydisehir | 1,918.45 mi (3,087.45 km) |
| Illescas to Seyhan | 2,110.29 mi (3,396.18 km) |
| Illescas to Seyitgazi | 1,822.29 mi (2,932.70 km) |
| Illescas to Siirt | 2,434.82 mi (3,918.47 km) |
| Illescas to Sile | 1,744.08 mi (2,806.83 km) |
| Illescas to Silifke | 2,049.99 mi (3,299.15 km) |
| Illescas to Silivri | 1,674.89 mi (2,695.48 km) |
| Illescas to Silopi | 2,477.03 mi (3,986.40 km) |
| Illescas to Simav | 1,738.58 mi (2,797.98 km) |
| Illescas to Sinanpasa | 1,810.16 mi (2,913.18 km) |
| Illescas to Sindirgi | 1,693.96 mi (2,726.17 km) |
| Illescas to Sinop | 2,017.34 mi (3,246.59 km) |
