| Illescas to Selargius | 692.85 mi (1,115.04 km) |
| Illescas to Selvazzano Dentro | 869.96 mi (1,400.07 km) |
| Illescas to Senago | 756.34 mi (1,217.21 km) |
| Illescas to Senigallia | 909.37 mi (1,463.49 km) |
| Illescas to Seravezza | 768.66 mi (1,237.04 km) |
| Illescas to Seregno | 761.23 mi (1,225.08 km) |
| Illescas to Seriate | 784.90 mi (1,263.17 km) |
| Illescas to Sermoneta | 883.26 mi (1,421.47 km) |
| Illescas to Serramanna | 678.48 mi (1,091.91 km) |
| Illescas to Serravalle Pistoiese | 795.74 mi (1,280.63 km) |
| Illescas to Sessa Aurunca | 932.56 mi (1,500.80 km) |
| Illescas to Sesto Calende | 739.28 mi (1,189.76 km) |
| Illescas to Sesto Fiorentino | 812.40 mi (1,307.43 km) |
| Illescas to Sesto San Giovanni | 759.25 mi (1,221.90 km) |
| Illescas to Sestri Levante | 734.34 mi (1,181.81 km) |
