| Illescas to Senftenberg | 1,160.17 mi (1,867.11 km) |
| Illescas to Siegburg | 909.55 mi (1,463.79 km) |
| Illescas to Siegen | 937.09 mi (1,508.10 km) |
| Illescas to Sigmaringen | 847.94 mi (1,364.63 km) |
| Illescas to Simbach am Inn | 1,003.47 mi (1,614.94 km) |
| Illescas to Simmerath | 873.84 mi (1,406.30 km) |
| Illescas to Sindelfingen | 866.24 mi (1,394.07 km) |
| Illescas to Sinsheim | 885.69 mi (1,425.37 km) |
| Illescas to Sinzheim | 839.07 mi (1,350.35 km) |
| Illescas to Sinzig | 897.43 mi (1,444.28 km) |
| Illescas to Soest | 975.46 mi (1,569.86 km) |
| Illescas to Solingen | 925.73 mi (1,489.83 km) |
| Illescas to Soltau | 1,096.93 mi (1,765.34 km) |
| Illescas to Sommerda | 1,046.79 mi (1,684.64 km) |
| Illescas to Sondershausen | 1,048.09 mi (1,686.74 km) |
