| Illescas to Santander | 231.20 mi (372.08 km) |
| Illescas to Santany | 373.52 mi (601.13 km) |
| Illescas to Santiago de Compostela | 309.48 mi (498.06 km) |
| Illescas to Santiago del Teide | 1,100.86 mi (1,771.66 km) |
| Illescas to Santiponce | 220.20 mi (354.37 km) |
| Illescas to Santomera | 206.02 mi (331.55 km) |
| Illescas to Santona | 230.53 mi (371.00 km) |
| Illescas to Santurce-Antiguo | 225.85 mi (363.48 km) |
| Illescas to Sarria | 261.46 mi (420.77 km) |
| Illescas to Sauzal | 1,076.55 mi (1,732.54 km) |
| Illescas to Sedavi | 189.21 mi (304.50 km) |
| Illescas to Segorbe | 177.95 mi (286.38 km) |
| Illescas to Segovia | 59.36 mi (95.53 km) |
| Illescas to Senmanat | 328.42 mi (528.53 km) |
| Illescas to Sesena | 7.20 mi (11.59 km) |
